K&B .40

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  • K&B .40
  • K&B .40
  • K&B .40
  • K&B .40
MSRP: $6.97
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Temporarily Out of stock


K&B .40

Front Bearing: R6N 3/8 X 7/8 X .218 (7/32) Open Bearing RCBearings brand
Rear Bearing: R8N 1/2 X 1 1/8 X 1/4 Premium Bearing
Cam bearings (if used):


RCBearings  engine bearing sets are high quality alternatives to expensive OEM part number bearings.  Made to exacting tolerances, you can expect a long, trouble-free life at a fraction of the cost. All of our bearings come from trusted suppliers that we have worked with for years (some for 30 years) to make sure we give you the best bearing we can at a reasonable price.

NOTE: These bearings are not appropriate for heli engines.


Technical support only (what bearing do I need, etc): (720) 480-5879 M-F 0900-1600 MST

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