SKF 61903-2RZ bearing

17x30x7

Their product portfolio is diverse. SKF are considered by many to be the gold standard in bearings. Their literature has become the defacto standard and is used by many design engineers as the go to book. SKF are an OEM supplier to Campagnolo, Mavic, Time. These bearings are genuine SKF bearings sourced from SKF in Luton England.



Deep groove ball bearings, single row 61903-2RZ

Bearing number : 61903-2RZ

Size (mm) : 17x30x7

Brand : SKF

Bore Diameter (mm) : 17

Outer Diameter (mm) : 30

Width (mm) : 7

Bearing dimensions and specification in SKF catalogue:

d - 17 mm

D - 30 mm

B - 7 mm

d1 - - 20.4 mm

D2 - - 27.7 mm

r1,2 - min. - 0.3 mm

da - min. - 19 mm

da - max. - 20.3 mm

Da - max. - 28 mm

ra - max. - 0.3 mm

Basic dynamic load rating - C - 4.6 kN

Basic static load rating - C0 - 2.6 kN

Fatigue load limit - Pu - 0.108 kN

Reference speed - 50000 r/min

Limiting speed - 26000 r/min

Calculation factor - kr - 0.02

Calculation factor - f0 - 14.7

Mass bearing - 0.018 kg

Bearing 61903-2RZ Bearing 61903-2RZ

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