General ball bearing information | ||||
For quality RC Bearings, visit TamiyaBase.com sponsor. |
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General | Tamiya ball bearings are a popular hop up for those running their RC cars. Tamiya has a way of naming their bearings that is not quite according to industry standard, hence this section. | |||
Bearing material | Ball bearings for RC must be of some kind of Stainless Steel. "Chrome Steel" has the lowest corrosion resistance. "Martensitic Stainless Steel" is a medium choice. "Austenitic Stainless Steel" has the best corrosion resistance. |
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Retainers | Are the things inside the bearing keeping the balls in place. Different types and material is used. | |||
Closures (shields) |
These are important for RC use. The Closure is the shield at both ends of the bearing, protecting the balls inside from dirt, moisture and even impact.
Metal shields (named "ZZ")
Contact Shields (named "2RS" , "2" for both sides)
Non Contact Shields (named "2RU", "2" for both sides) |
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Tamiya Description | Outer Diameter (OD/mm) |
Bore (ID/mm) |
Width (mm) |
Section view |
620 | 6 | 2 | 2,5 | |
730 | 7 | 3 | 3 | |
830 | 8 | 3 | 3 | |
840 | 8 | 4 | 3 | |
850 | 8 | 5 | 2,5 | |
1150 | 11 | 5 | 4 | |
1160 | 11 | 6 | 4 | |
1260 | 12 | 6 | 4 | |
1280 | 12 | 8 | 3,5 | |
1510 | 15 | 10 | 4 | |
1680 | 16 | 8 | 5 | |
2617 | 26 | 17,5 | 5 |