Solid Rollers - have a smooth surface and a solid body
Durasoft Rollers - have a smooth contact surface with teardrop holes to allow greater roller compression under load
Finned Rollers - are grooved and provides self-cleaning as dirt, debris and liquid pass under the contact surface of the roller
20 durmeter: Stiff foam rubber
35 durometer: Pencil rubber top
60 durometer: Car tyre
80 durometer: Skateboard wheel
90 durometer: Hockey puck
Bearing Type | Inside diameter (inches) | Outside diameter (inches) | Width (inches) | Load (Kg) | Speed (rpm) |
A - Standard Double | .313/.317 | .870/.875 | .498/.502 | 55 36 24 20 | 50 100 250 500 |
B - Standard Single | .500/505 | 1.245/1.250 | .370/.380 | 119 79 51 47 | 50 100 250 500 |
C - Standard Double | .500/505 | 1.245/1.250 | .745/.755 | 192 128 83 70 | 50 100 250 500 |
With the calculations above, typical life is approximately 2500 hours.
Bearing Type | Inside diameter (inches) | Outside diameter (inches) | Width (inches) | Load (Kg) | Speed (rpm) |
H | .3745/.3750 | .6245/.6255 | .865/.875 | 167 146 116 85 | 33 50 100 250 |
I | .6245/.6250 | .8745/.8755 | .990/1.000 | 277 242 192 142 | 33 50 100 250 |
With the calculations above, typical life is approximately 1,000,000 revolutions or 500 hours. The bearings are shielded and pre-lubricated for life with grease.
A clutch roller can only be used in one direction, as shown. See data table for clutch direction of particular part.
Left clutch bearing
Right clutch bearing
Rollers are used in car manufacturing to guide and align
doors during bonding and curing applications
Bumpers have found their way into commercial exercise
equipment to provide protection and stability during use.
Nitrile - One Colour
Neoprene - One Colour
35 Durometer (Yellow)
60 Durometer (BLue)
80 Durometer (Red)
95 Durometer (Orange)
Base Elastomer | Chemical Name | Advantages | Disadvantages | Max. Temp | Min. Temp |
Nitrile | Nitrile Butadiene | Resistant to petrolium, oil, alcohol & abrasion. | Affected by degreaser solvents. | Continuous 79ºC Intermittent 107ºC | -51ºC |
Neoprene | Chloroprene | Flame and weather resistant. Resistant to Petroleum, oil, ozone & high temp. | Affected by phosphate hydraulic fluids, aromatic hydrocarbons. | Continuous 93ºC Intermittent 121ºC | -40ºC |
Urethane | Di-lsocyante Polyurethane | Highest abrasion resistance, strength & load bearing. High elongation, hardness. Resistance to Ozone & Oxygen. | Affected by ether, esters, acid, aromatics, alkallis. | Continuous 93ºC Intermittent 121ºC | -54ºC |
Property: | Nitrile | Neoprene | Urethane |
Tensile Strength | ✔ ✔ | ✔ ✔ ✔ | ✔ ✔ ✔ ✔ |
Ozone Resistance | ✔ | ✔ ✔ | ✔ ✔ ✔ ✔ |
Cut Resistance | ✔ ✔ | ✔ ✔ ✔ | ✔ ✔ ✔ ✔ |
Abrasion Resistance | ✔ ✔ | ✔ ✔ ✔ | ✔ ✔ ✔ ✔ |
Resistance to: | White Nitrile | Neoprene | Urethane |
Compression Set | ✔ ✔ | ✔ ✔ ✔ | ✔ ✔ ✔ |
ASTM #1 Oil | ✔ ✔ ✔ ✔ | ✔ ✔ | ✔ ✔ ✔ ✔ |
ASTM #2 Oil | ✔ ✔ ✔ ✔ | ✔ ✔ | ✔ ✔ ✔ ✔ |
Reference Fuel B | ✔ ✔ ✔ | ✔ ✔ | ✔ ✔ ✔ ✔ |
Ketones: MEK | ✔ | ✔ ✔ | ✔ |
Aromatics: Toluene | ✔ ✔ ✔ | ✔ | ✔ ✔ ✔ ✔ |
Aliphatics: Hexane | ✔ ✔ ✔ ✔ | ✔ ✔ ✔ | ✔ ✔ ✔ ✔ |
Ethyl Acetate | ✔ | ✔ ✔ ✔ | ✔ |
Cellosilve | ✔ ✔ | ✔ ✔ ✔ ✔ | ✔ |
Methylene Chloride | ✔ | ✔ | ✔ ✔ ✔ ✔ |
Trichloroethylene | ✔ | ✔ | ✔ ✔ ✔ ✔ |
Diethylene Glycol | ✔ ✔ ✔ ✔ | ✔ ✔ ✔ ✔ | ✔ ✔ ✔ |
Isopropyl Alcohol | ✔ ✔ ✔ | ✔ ✔ ✔ | ✔ ✔ ✔ |
Caustics: 10% NaOH | ✔ ✔ ✔ | ✔ ✔ ✔ | ✔ |
Acids: H2S04 | ✔ ✔ | ✔ ✔ ✔ | ✔ |
Excellent ✔ ✔ ✔ ✔
Good ✔ ✔ ✔
Fair ✔ ✔
Poor ✔
Alexia House
Glenmore Business Park
Portfield Works
Chichester, PO19 7BJ (UK)
Telephone 0333 207 4497
or + 44 (0) 1483 266 777
Email sales@wixroyd.com
Company registration no. GB0496138
Company VAT number GB 408154022
For other bank details visit our FAQs page.