Outside Diameter: 50.8mm
Inner Diameter: 39.7mm
Thickness: 7.1mm
Weight: 31g
Cage: without
Material: chrome steel
Precision: ABEC3, equals to P6
Seal Type: rubber seal on both sides
Inner Diameter: 25mm
Outer Diameter: 62mm
Width: 19mm
Weight: 0.35kg
N: bearing has snap ring groove on outer ring
R: bearing with snap ring
Structure: deep groove ball bearing
Weight: 4.4kg
d (Bore diameter): 85 mm
D (Outside diameter): 180 mm
B (Width): 41 mm
Material: Gcr15 steel
Internal Play: C3
Structure: Radial ball bearing
Seal: Metal seal on both sides