Deep groove ball bearings, stainless steel WBB1-8700-2Z

Bearing number : WBB1-8700-2Z

Size (mm) : 1,2x4x2,5

Brand : SKF

Bore Diameter (mm) : 1,2

Outer Diameter (mm) : 4

Width (mm) : 2,5

Bearing dimensions and specification in SKF catalogue:

d - 1.2 mm

D - 4 mm

B - 2.5 mm

d1 - - 2.15 mm

D2 - - 3.5 mm

r1,2 - min. - 0.1 mm

da - min. - 2 mm

da - max. - 2.1 mm

Da - max. - 3.5 mm

ra - max. - 0.1 mm

Basic dynamic load rating - C - 0.062 kN

Basic static load rating - C0 - 0.016 kN

Fatigue load limit - Pu - 0.001 kN

Reference speed - 220000 r/min

Limiting speed - 110000 r/min

Calculation factor - kr - 0.02

Calculation factor - f0 - 6.4

Mass bearing - 0.00012 kg