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