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How to measure a Metric Pit Bike Bearing
TBolt USA Tech Database!


How to measure bearings:

Each bearing has an inside diameter, outside diameter and width diameter in that order.

Bearings are METRIC size


A = Inside diameter
B = Outside diameter
C = Width diameter


Industry Standard Size 6003 2RS 

The 2RS Means it has 2 Rubber seals , one on each side to keep lube in and dirt out 

Common Swing Arm bearing for pit bikes 6003 2RS Measures 17X35X10

Inside diameter = 17mm
Outside diameter = 35mm
Width diameter = 10mm


Pit bike Buying and Ownership info

Pit Bike Wiring Info

General Motorcycle Maintenance

Identifying Parts, Bikes, and Engines

General Motorcycle Troubleshooting

Pit Bike Installation Info

How Things Work

Parts Diagrams and Breakdowns

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