WMU® Plain Bearings

WMU® Plain Bearings from Bowman

WMU® Plain Bearings from Bowman

Bowman WMU® PTFE lined plain bearings are engineered to deliver dependable, maintenance-free performance in demanding applications where low friction, high wear resistance, and long service life are essential. Manufactured using a robust carbon steel backing, a porous sintered bronze intermediate layer, and a PTFE-based sliding surface, these steel backed PTFE bearings combine excellent load-carrying capability with outstanding dry-running performance. The composite construction eliminates the need for continuous lubrication, making the bearings ideal for environments where regular maintenance is difficult or grease contamination must be avoided.

Designed for reliability under a wide range of operating conditions, WMU® bearings offer excellent PV (pressure-velocity) performance, enabling them to withstand demanding combinations of load and sliding speed while maintaining low friction and minimal wear. Their PTFE lining provides smooth operation during start-up and continuous movement, while the sintered bronze layer securely bonds the sliding surface to the steel backing for enhanced durability. The bearings also operate across a broad temperature range typical of PTFE-lined composite bearing materials, making them suitable for applications exposed to both elevated and sub-zero temperatures. Bowman’s technical team can advise on recommended operating limits based on specific load, speed, and environmental conditions.

As an experienced PTFE bushing manufacturer, Bowman supplies metric PTFE plain bearings and imperial PTFE bushings UK from stock, ensuring fast delivery for maintenance, OEM production, and replacement requirements. For applications that require bespoke dimensions, our in-house machining service can manufacture non-standard sizes to precise customer specifications, helping engineers achieve the perfect fit without compromising performance.

These maintenance free plain bearings are widely used across hydraulic equipment, construction machinery, agricultural equipment, pumps, compressors, industrial automation systems, material handling equipment, marine applications, and general engineering. Their ability to perform as dry running plain bushings significantly reduces maintenance costs while extending equipment service life. The combination of low friction, excellent wear resistance, and dependable operation makes WMU® bearings an ideal choice for engineers seeking durable low friction plain bushings that deliver consistent performance in challenging industrial environments.

Matching Bearings

MaterialUnit MeasurementPart NumberInner DiameterOuter DiameterLengthBacking MaterialTolerance RangeAction Button
WMU® PTFE Lined BearingsMetricWMU 15 17 10151710Standard Steel
WMU® PTFE Lined BearingsMetricWMU 02 3.5 0323.53Standard Steel
WMU® PTFE Lined BearingsMetricWMU 02 3.5 0523.55Standard Steel
WMU® PTFE Lined BearingsMetricWMU 03 4.5 0334.53Standard Steel
WMU® PTFE Lined BearingsMetricWMU 03 4.5 0434.54Standard Steel
WMU® PTFE Lined BearingsMetricWMU 03 4.5 0534.55Standard Steel
WMU® PTFE Lined BearingsMetricWMU 03 4.5 0634.56Standard Steel
WMU® PTFE Lined BearingsMetricWMU 04 5.5 0345.53Standard Steel
WMU® PTFE Lined BearingsMetricWMU 04 5.5 0445.54Standard Steel
WMU® PTFE Lined BearingsMetricWMU 04 5.5 0645.56Standard Steel
WMU® PTFE Lined BearingsMetricWMU 04 5.5 1045.510Standard Steel
WMU® PTFE Lined BearingsMetricWMU 05 07 05575Standard Steel
WMU® PTFE Lined BearingsMetricWMU 05 07 08578Standard Steel
WMU® PTFE Lined BearingsMetricWMU 05 07 105710Standard Steel
WMU® PTFE Lined BearingsMetricWMU 06 08 04684Standard Steel
WMU® PTFE Lined BearingsMetricWMU 06 08 05685Standard Steel
WMU® PTFE Lined BearingsMetricWMU 06 08 06686Standard Steel
WMU® PTFE Lined BearingsMetricWMU 06 08 08688Standard Steel
WMU® PTFE Lined BearingsMetricWMU 06 08 106810Standard Steel
WMU® PTFE Lined BearingsMetricWMU 07 09 107910Standard Steel
WMU® PTFE Lined BearingsMetricWMU 08 10 068106Standard Steel
WMU® PTFE Lined BearingsMetricWMU 08 10 088108Standard Steel
WMU® PTFE Lined BearingsMetricWMU 08 10 1081010Standard Steel
WMU® PTFE Lined BearingsMetricWMU 08 10 1281012Standard Steel
WMU® PTFE Lined BearingsMetricWMU 10 12 0610126Standard Steel
WMU® PTFE Lined BearingsMetricWMU 10 12 0810128Standard Steel
WMU® PTFE Lined BearingsMetricWMU 10 12 10101210Standard Steel
WMU® PTFE Lined BearingsMetricWMU 10 12 12101212Standard Steel
WMU® PTFE Lined BearingsMetricWMU 10 12 15101215Standard Steel
WMU® PTFE Lined BearingsMetricWMU 10 12 20101220Standard Steel
WMU® PTFE Lined BearingsMetricWMU 100 105 115100105115Standard Steel
WMU® PTFE Lined BearingsMetricWMU 100 105 5010010550Standard Steel
WMU® PTFE Lined BearingsMetricWMU 100 105 6010010560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 100 105 7010010570Standard Steel
WMU® PTFE Lined BearingsMetricWMU 100 105 8010010580Standard Steel
WMU® PTFE Lined BearingsMetricWMU 105 110 115105110115Standard Steel
WMU® PTFE Lined BearingsMetricWMU 105 110 6010511060Standard Steel
WMU® PTFE Lined BearingsMetricWMU 110 115 115110115115Standard Steel
WMU® PTFE Lined BearingsMetricWMU 110 115 6011011560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 115 117 6511511765Standard Steel
WMU® PTFE Lined BearingsMetricWMU 115 120 5011512050Standard Steel
WMU® PTFE Lined BearingsMetricWMU 115 120 6011512060Standard Steel
WMU® PTFE Lined BearingsMetricWMU 115 120 7011512070Standard Steel
WMU® PTFE Lined BearingsMetricWMU 12 14 0812148Standard Steel
WMU® PTFE Lined BearingsMetricWMU 12 14 10121410Standard Steel
WMU® PTFE Lined BearingsMetricWMU 12 14 12121412Standard Steel
WMU® PTFE Lined BearingsMetricWMU 12 14 15121415Standard Steel
WMU® PTFE Lined BearingsMetricWMU 12 14 20121420Standard Steel
WMU® PTFE Lined BearingsMetricWMU 12 14 25121425Standard Steel
WMU® PTFE Lined BearingsMetricWMU 120 125 100120125100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 120 125 5012012550Standard Steel
WMU® PTFE Lined BearingsMetricWMU 120 125 6012012560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 125 130 100125130100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 125 130 6012513060Standard Steel
WMU® PTFE Lined BearingsMetricWMU 13 15 10131510Standard Steel
WMU® PTFE Lined BearingsMetricWMU 13 15 20131520Standard Steel
WMU® PTFE Lined BearingsMetricWMU 130 135 100130135100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 130 135 6013013560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 135 140 100135140100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 135 140 6013514060Standard Steel
WMU® PTFE Lined BearingsMetricWMU 14 16 0514165Standard Steel
WMU® PTFE Lined BearingsMetricWMU 14 16 10141610Standard Steel
WMU® PTFE Lined BearingsMetricWMU 14 16 12141612Standard Steel
WMU® PTFE Lined BearingsMetricWMU 14 16 15141615Standard Steel
WMU® PTFE Lined BearingsMetricWMU 14 16 20141620Standard Steel
WMU® PTFE Lined BearingsMetricWMU 14 16 25141625Standard Steel
WMU® PTFE Lined BearingsMetricWMU 140 145 100140145100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 140 145 6014014560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 145 150 100145150100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 145 150 6014515060Standard Steel
WMU® PTFE Lined BearingsMetricWMU 15 17 12151712Standard Steel
WMU® PTFE Lined BearingsMetricWMU 15 17 15151715Standard Steel
WMU® PTFE Lined BearingsMetricWMU 15 17 20151720Standard Steel
WMU® PTFE Lined BearingsMetricWMU 15 17 25151725Standard Steel
WMU® PTFE Lined BearingsMetricWMU 150 155 100150155100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 150 155 6015015560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 155 160 100155160100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 155 160 6015516060Standard Steel
WMU® PTFE Lined BearingsMetricWMU 16 18 10161810Standard Steel
WMU® PTFE Lined BearingsMetricWMU 16 18 12161812Standard Steel
WMU® PTFE Lined BearingsMetricWMU 16 18 15161815Standard Steel
WMU® PTFE Lined BearingsMetricWMU 16 18 20161820Standard Steel
WMU® PTFE Lined BearingsMetricWMU 16 18 25161825Standard Steel
WMU® PTFE Lined BearingsMetricWMU 160 165 100160165100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 160 165 6016016560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 160 165 8016016580Standard Steel
WMU® PTFE Lined BearingsMetricWMU 165 170 100165170100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 165 170 6016517060Standard Steel
WMU® PTFE Lined BearingsMetricWMU 17 19 15171915Standard Steel
WMU® PTFE Lined BearingsMetricWMU 17 19 20171920Standard Steel
WMU® PTFE Lined BearingsMetricWMU 170 175 100170175100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 170 175 6017017560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 175 180 100175180100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 175 180 6017518060Standard Steel
WMU® PTFE Lined BearingsMetricWMU 18 20 15182015Standard Steel
WMU® PTFE Lined BearingsMetricWMU 18 20 20182020Standard Steel
WMU® PTFE Lined BearingsMetricWMU 18 20 25182025Standard Steel
WMU® PTFE Lined BearingsMetricWMU 180 185 100180185100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 180 185 6018018560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 20 22 10202210Standard Steel
WMU® PTFE Lined BearingsMetricWMU 20 23 10202310Standard Steel
WMU® PTFE Lined BearingsMetricWMU 20 23 15202315Standard Steel
WMU® PTFE Lined BearingsMetricWMU 20 23 20202320Standard Steel
WMU® PTFE Lined BearingsMetricWMU 20 23 25202325Standard Steel
WMU® PTFE Lined BearingsMetricWMU 20 23 30202330Standard Steel
WMU® PTFE Lined BearingsMetricWMU 200 205 100200205100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 200 205 6020020560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 210 215 100210215100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 22 25 15222515Standard Steel
WMU® PTFE Lined BearingsMetricWMU 22 25 20222520Standard Steel
WMU® PTFE Lined BearingsMetricWMU 22 25 25222525Standard Steel
WMU® PTFE Lined BearingsMetricWMU 22 25 30222530Standard Steel
WMU® PTFE Lined BearingsMetricWMU 220 225 100220225100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 220 225 6022022560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 24 27 15242715Standard Steel
WMU® PTFE Lined BearingsMetricWMU 24 27 20242720Standard Steel
WMU® PTFE Lined BearingsMetricWMU 24 27 25242725Standard Steel
WMU® PTFE Lined BearingsMetricWMU 24 27 30242730Standard Steel
WMU® PTFE Lined BearingsMetricWMU 25 28 10252810Standard Steel
WMU® PTFE Lined BearingsMetricWMU 25 28 12252812Standard Steel
WMU® PTFE Lined BearingsMetricWMU 25 28 15252815Standard Steel
WMU® PTFE Lined BearingsMetricWMU 25 28 20252820Standard Steel
WMU® PTFE Lined BearingsMetricWMU 25 28 25252825Standard Steel
WMU® PTFE Lined BearingsMetricWMU 25 28 30252830Standard Steel
WMU® PTFE Lined BearingsMetricWMU 25 28 40252840Standard Steel
WMU® PTFE Lined BearingsMetricWMU 25 28 50252850Standard Steel
WMU® PTFE Lined BearingsMetricWMU 250 255 100250255100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 250 255 6025025560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 28 32 15283215Standard Steel
WMU® PTFE Lined BearingsMetricWMU 28 32 20283220Standard Steel
WMU® PTFE Lined BearingsMetricWMU 28 32 25283225Standard Steel
WMU® PTFE Lined BearingsMetricWMU 28 32 30283230Standard Steel
WMU® PTFE Lined BearingsMetricWMU 280 285 100280285100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 280 285 6028028560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 30 34 15303415Standard Steel
WMU® PTFE Lined BearingsMetricWMU 30 34 20303420Standard Steel
WMU® PTFE Lined BearingsMetricWMU 30 34 25303425Standard Steel
WMU® PTFE Lined BearingsMetricWMU 30 34 30303430Standard Steel
WMU® PTFE Lined BearingsMetricWMU 30 34 40303440Standard Steel
WMU® PTFE Lined BearingsMetricWMU 300 305 100300305100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 300 305 6030030560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 32 36 20323620Standard Steel
WMU® PTFE Lined BearingsMetricWMU 32 36 30323630Standard Steel
WMU® PTFE Lined BearingsMetricWMU 32 36 40323640Standard Steel
WMU® PTFE Lined BearingsMetricWMU 32 36 55323655Standard Steel
WMU® PTFE Lined BearingsMetricWMU 35 39 20353920Standard Steel
WMU® PTFE Lined BearingsMetricWMU 35 39 30353930Standard Steel
WMU® PTFE Lined BearingsMetricWMU 35 39 35353935Standard Steel
WMU® PTFE Lined BearingsMetricWMU 35 39 40353940Standard Steel
WMU® PTFE Lined BearingsMetricWMU 35 39 50353950Standard Steel
WMU® PTFE Lined BearingsMetricWMU 36 40 15364015Standard Steel
WMU® PTFE Lined BearingsMetricWMU 36 40 35364035Standard Steel
WMU® PTFE Lined BearingsMetricWMU 38 42 20384220Standard Steel
WMU® PTFE Lined BearingsMetricWMU 38 42 30384230Standard Steel
WMU® PTFE Lined BearingsMetricWMU 38 42 40384240Standard Steel
WMU® PTFE Lined BearingsMetricWMU 40 44 20404420Standard Steel
WMU® PTFE Lined BearingsMetricWMU 40 44 30404430Standard Steel
WMU® PTFE Lined BearingsMetricWMU 40 44 40404440Standard Steel
WMU® PTFE Lined BearingsMetricWMU 40 44 50404450Standard Steel
WMU® PTFE Lined BearingsMetricWMU 45 50 20455020Standard Steel
WMU® PTFE Lined BearingsMetricWMU 45 50 30455030Standard Steel
WMU® PTFE Lined BearingsMetricWMU 45 50 40455040Standard Steel
WMU® PTFE Lined BearingsMetricWMU 45 50 45455045Standard Steel
WMU® PTFE Lined BearingsMetricWMU 45 50 50455050Standard Steel
WMU® PTFE Lined BearingsMetricWMU 50 55 20505520Standard Steel
WMU® PTFE Lined BearingsMetricWMU 50 55 30505530Standard Steel
WMU® PTFE Lined BearingsMetricWMU 50 55 40505540Standard Steel
WMU® PTFE Lined BearingsMetricWMU 50 55 50505550Standard Steel
WMU® PTFE Lined BearingsMetricWMU 50 55 60505560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 55 60 20556020Standard Steel
WMU® PTFE Lined BearingsMetricWMU 55 60 25556025Standard Steel
WMU® PTFE Lined BearingsMetricWMU 55 60 30556030Standard Steel
WMU® PTFE Lined BearingsMetricWMU 55 60 40556040Standard Steel
WMU® PTFE Lined BearingsMetricWMU 55 60 50556050Standard Steel
WMU® PTFE Lined BearingsMetricWMU 55 60 55556055Standard Steel
WMU® PTFE Lined BearingsMetricWMU 55 60 60556060Standard Steel
WMU® PTFE Lined BearingsMetricWMU 60 65 20606520Standard Steel
WMU® PTFE Lined BearingsMetricWMU 60 65 30606530Standard Steel
WMU® PTFE Lined BearingsMetricWMU 60 65 40606540Standard Steel
WMU® PTFE Lined BearingsMetricWMU 60 65 60606560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 60 65 70606570Standard Steel
WMU® PTFE Lined BearingsMetricWMU 65 70 30657030Standard Steel
WMU® PTFE Lined BearingsMetricWMU 65 70 50657050Standard Steel
WMU® PTFE Lined BearingsMetricWMU 65 70 60657060Standard Steel
WMU® PTFE Lined BearingsMetricWMU 65 70 70657070Standard Steel
WMU® PTFE Lined BearingsMetricWMU 70 75 40707540Standard Steel
WMU® PTFE Lined BearingsMetricWMU 70 75 50707550Standard Steel
WMU® PTFE Lined BearingsMetricWMU 70 75 60707560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 70 75 70707570Standard Steel
WMU® PTFE Lined BearingsMetricWMU 75 80 30758030Standard Steel
WMU® PTFE Lined BearingsMetricWMU 75 80 40758040Standard Steel
WMU® PTFE Lined BearingsMetricWMU 75 80 50758050Standard Steel
WMU® PTFE Lined BearingsMetricWMU 75 80 60758060Standard Steel
WMU® PTFE Lined BearingsMetricWMU 75 80 80758080Standard Steel
WMU® PTFE Lined BearingsMetricWMU 80 85 1008085100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 80 85 30808530Standard Steel
WMU® PTFE Lined BearingsMetricWMU 80 85 40808540Standard Steel
WMU® PTFE Lined BearingsMetricWMU 80 85 60808560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 80 85 80808580Standard Steel
WMU® PTFE Lined BearingsMetricWMU 85 90 1008590100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 85 90 60859060Standard Steel
WMU® PTFE Lined BearingsMetricWMU 90 95 1009095100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 90 95 60909560Standard Steel
WMU® PTFE Lined BearingsMetricWMU 95 100 10095100100Standard Steel
WMU® PTFE Lined BearingsMetricWMU 95 100 609510060Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 02 03 020.1250.18750.125Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 02 03 030.1250.18750.1875Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 2.5 3.5 040.156250.21890.25Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 03 04 030.18750.250.1875Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 03 04 040.18750.250.25Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 03 04 060.18750.250.375Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 04 05 030.250.31250.1875Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 04 05 040.250.31250.25Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 04 05 060.250.31250.375Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 05 06 030.31250.3750.1875Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 05 06 060.31250.3750.375Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 05 06 080.31250.3750.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 06 7.5 060.3750.46880.375Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 06 7.5 080.3750.46880.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 06 7.5 100.3750.46880.625Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 06 7.5 120.3750.46880.75Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 07 8.5 080.43750.53130.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 07 8.5 120.43750.53130.75Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 08 9.5 060.50.59380.375Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 08 9.5 080.50.59380.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 08 9.5 100.50.59380.625Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 08 9.5 140.50.59380.875Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 09 10.5 080.56250.65630.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 09 10.5 120.56250.65630.75Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 10 11.5 080.6250.71880.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 10 11.5 100.6250.71880.625Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 10 11.5 120.6250.71880.75Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 10 11.5 140.6250.71880.875Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 11 12.5 140.68750.78130.875Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 12 14 080.750.8750.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 12 14 120.750.8750.75Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 12 14 160.750.8751Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 14 16 120.87510.75Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 14 16 140.87510.875Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 14 16 160.87511Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 14 16 180.87511.125Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 16 18 1211.1250.75Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 16 18 1611.1251Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 16 18 2011.1251.25Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 16 18 2411.1251.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 18 20.5 121.1251.28130.75Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 18 20.5 161.1251.28131Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 20 22.5 121.251.40630.75Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 20 22.5 161.251.40631Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 20 22.5 201.251.40631.25Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 20 22.5 281.251.40631.75Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 22 24.5 161.3751.53131Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 22 24.5 221.3751.53131.375Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 22 24.5 281.3751.53131.75Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 24 26.5 161.51.65631Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 24 26.5 201.51.65631.25Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 24 26.5 241.51.65631.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 24 26.5 321.51.65632Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 26 28.5 161.6251.78131Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 26 28.5 241.6251.78131.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 28 31 161.751.93751Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 28 31 241.751.93751.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 28 31 281.751.93751.75Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 28 31 321.751.93752Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 30 33 161.8752.06251Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 30 33 161.8752.06251Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 30 33 301.8752.06251.875Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 30 33 361.8752.06252.25Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 32 35 1622.18751Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 32 35 2422.18751.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 32 35 3222.18752Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 32 35 3222.18752Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 32 35 4022.18752.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 36 39 322.252.43752Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 36 39 362.252.43752.25Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 36 39 402.252.43752.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 36 39 482.252.43753Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 40 43 322.52.68752Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 40 43 322.52.68752Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 40 43 402.52.68752.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 40 43 482.52.68753Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 40 43 562.52.68753.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 44 47 322.752.93752Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 44 47 402.752.93752.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 44 47 482.752.93753Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 44 47 562.752.93753.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 48 51 3233.18752Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 48 51 4833.18753Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 48 51 6033.18753.75Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 56 59 403.53.68752.5Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 56 59 483.53.68753Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 56 603.53.68753.75Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 64 67 4844.18753Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 64 67 6044.18753.75Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 64 67 7644.18754.75Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 80 83 4855.18753Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 80 83 4855.18753Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 80 83 6055.18753.75Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 96 99 4866.18753Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 96 99 6066.18753.75Standard Steel
WMU® PTFE Lined BearingsImperialWMUI 112 115 6077.18753.75Standard Steel

Frequently Asked Questions

If the answer to your question is not listed below, please feel free to give us a call directly on +44 (0)1235 462500 or email us at sales@bowman.co.uk.

What is a PTFE lined plain bearing?

A PTFE lined plain bearing is a self-lubricating bearing designed to provide low-friction, maintenance-free operation. Bowman WMU® plain bearings feature a carbon steel backing, a porous sintered bronze interlayer, and a PTFE-based sliding surface, delivering excellent wear resistance, high load capacity, and long service life across a wide range of industrial applications.

Can WMU® plain bearings run without lubrication?

Yes. WMU® PTFE lined plain bearings are specifically designed for dry-running operation. The PTFE sliding layer provides excellent low-friction performance without the need for continuous lubrication, making these maintenance free plain bearings ideal for applications where regular greasing is impractical or contamination must be avoided.

What is the PV rating of WMU® PTFE lined bearings?

WMU® bearings are designed to offer excellent PV (pressure-velocity) capability, allowing them to perform under demanding combinations of load and sliding speed. The maximum permissible PV value depends on factors such as operating temperature, shaft material, lubrication conditions, and duty cycle. Bowman can provide detailed technical data and application-specific recommendations to ensure optimum bearing performance.

What sizes of WMU® plain bearings are in stock?

Bowman stocks a comprehensive range of metric PTFE plain bearings and imperial PTFE bushings UK to suit a wide variety of industrial applications. In addition to standard sizes, Bowman offers an in-house machining service to manufacture non-standard bearings to meet specific customer requirements.

How do WMU® bearings compare to bronze bushings?

Compared with traditional bronze bushings, WMU® PTFE lined plain bearings provide significantly lower friction, require little or no lubrication, and offer improved wear resistance in many applications. Their self-lubricating composite construction helps reduce maintenance requirements, minimise downtime, and deliver more consistent performance, particularly in dry-running or difficult-to-access operating environments.

Looking for a custom size or special specifications?

Whether you need standard or custom options, we’re here to help. Reach out now and let’s find the perfect match!

Oilite® Plain Bearings