roller bearing NJ204 C3 crankshaft for Simson S51, S53, S70, S83, SR50, SR80, KR51/2 Schwalbe, M500, M700 engine

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Special crankshaft bearing for extreme load in tuned engines suitable for Simson moped S51, S53, S70, S83, SR50, SR80, KR51/2 swallow with M500, M700 engine.

For mounting these cylindrical roller bearing, which are to absorb radial forces, we recommend to install a straight-toothed primary drive!

Outer diameter: 47mm

Internal diameter: 20mm

Width: 14mm

Limit speed: 19000 rpm

Reference speed: 16000 rpm

Bearing clearance: C3 (larger than normal)