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  Deep groove ball bearings

Part Number

d - Bore

D - Outer Diameter

B - Width

Cr - Dynamic Radial Rating

Cor - Static Radial Rating

Reference speed

Limiting speed

W 61807-2RZ 35 mm 47 mm 7 mm 3.71 N 3.35 N 30000 rpm 15000 rpm
W 61807-2RS1 35 mm 47 mm 7 mm 3.71 N 3.35 N - 8500 rpm
W 61807 R-2Z 35 mm 47 mm 7 mm 3.71 N 3.35 N 30000 rpm 15000 rpm
W 61807 R 35 mm 47 mm 7 mm 3.71 N 3.35 N 30000 rpm 18000 rpm
W 61807 35 mm 47 mm 7 mm 3.71 N 3.35 N 30000 rpm 18000 rpm
W 61806-2Z 30 mm 42 mm 7 mm 3.58 N 2.9 N 34000 rpm 17000 rpm
W 61806-2RZ 30 mm 42 mm 7 mm 3.58 N 2.9 N 34000 rpm 17000 rpm
W 61806-2RS1 30 mm 42 mm 7 mm 3.58 N 2.9 N - 9500 rpm
W 61806 R-2Z 30 mm 42 mm 7 mm 3.58 N 2.9 N 34000 rpm 17000 rpm
W 61806 R 30 mm 42 mm 7 mm 3.58 N 2.9 N 34000 rpm 20000 rpm
W 61806 30 mm 42 mm 7 mm 3.58 N 2.9 N 34000 rpm 20000 rpm
W 61805-2Z 25 mm 37 mm 7 mm 3.38 N 2.5 N 38000 rpm 19000 rpm
W 61805-2RZ 25 mm 37 mm 7 mm 3.38 N 2.5 N 38000 rpm 19000 rpm
W 61805-2RS1 25 mm 37 mm 7 mm 3.38 N 2.5 N - 11000 rpm
W 61805 R-2Z 25 mm 37 mm 7 mm 3.38 N 2.5 N 38000 rpm 19000 rpm
W 61805 R 25 mm 37 mm 7 mm 3.38 N 2.5 N 38000 rpm 24000 rpm
W 61805 25 mm 37 mm 7 mm 3.38 N 2.5 N 38000 rpm 24000 rpm
W 61804-2Z 20 mm 32 mm 7 mm 3.12 N 2.08 N 48000 rpm 24000 rpm
W 61804-2RZ 20 mm 32 mm 7 mm 3.12 N 2.08 N 48000 rpm 24000 rpm
W 61804-2RS1 20 mm 32 mm 7 mm 3.12 N 2.08 N - 13000 rpm