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Email icon Stainless steel and miniature ball bearings SMB logo

Plastic bearings with stainless steel or glass balls to fit shaft sizes from 0.125” up to 0.75” diameterAn imperial plastic bearing with 316 stainless steel balls

SMB plastic ball bearings are available from stock in the UK with acetal resin (POM) rings, nylon (PA66) cages and balls made from 316 grade stainless or glass. These plastic bearings are generally used as corrosion resistant bearings, non magnetic bearings or non-conductive bearings. We can also supply corrosion resistant and chemical resistant plastic bearings made from materials such as polypropylene or PEEK.  For good chemical resistance with higher load ratings, we supply ceramic bearings in inch sizes.


As the material is softer, plastic bearings are intended for light loads and low speeds. The maximum temperature for acetal bearings with a nylon cage is 110°C. PEEK can be used up to 260°C.  These bearings can often be supplied with plastic shields on request. Plastic bearings are not precision grade. Inner and outer ring tolerances on these bearings are much wider than tolerances for precision steel bearings.


For inch plastic bearings with a flange on the outer ring, click on the “Flanged” tab below

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Flanged Non-Flanged

BORE

(inch)

O.D.

(inch)

WIDTH

(inch)

SMB REFERENCE

(Stainless Balls)

MORE INFO

SMB REFERENCE

(Glass Balls)

MORE INFO

0.125

0.375

0.156

ACR2-316

info

ACR2-GL

info

0.1875

0.5

0.156

ACR3-316

info

ACR3-GL

info

0.25

0.625

0.196

ACR4-316

info

ACR4-GL

info

0.75

0.2188

ACR4A-316

info

ACR4A-GL

info

0.375

0.875

0.2188

ACR6-316

info

ACR6-GL

info

0.5

1.125

0.25

ACR8-316

info

ACR8-GL

info

0.625

1.375

0.2812

ACR10-316

info

ACR10-GL

info

0.75

1.625

0.3125

ACR12-316

info

ACR12-GL

info

0.875

1.875

0.375

ACR14-316

info

ACR14-GL

info

1.00

2.00

0.375

ACR16-316

info

ACR16-GL

info

Plastic Bearings - Inch