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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 6305-2Z 25 mm 62 mm 17 mm 17.8 N 11.2 N 26000 rpm 13000 rpm
W 6305-2RZ 25 mm 62 mm 17 mm 17.8 N 11.2 N 26000 rpm 13000 rpm
W 6305-2RS1 25 mm 62 mm 17 mm 17.8 N 11.2 N - 7500 rpm
W 6305 25 mm 62 mm 17 mm 17.8 N 11.2 N 26000 rpm 17000 rpm
W 6304-2Z 20 mm 52 mm 15 mm 13.8 N 7.8 N 34000 rpm 17000 rpm
W 6304-2RZ 20 mm 52 mm 15 mm 13.8 N 7.8 N 34000 rpm 17000 rpm
W 6304-2RS1 20 mm 52 mm 15 mm 13.8 N 7.8 N - 9500 rpm
W 6304 20 mm 52 mm 15 mm 13.8 N 7.8 N 34000 rpm 20000 rpm
W 6303-2Z 17 mm 47 mm 14 mm 11.7 N 6.55 N 36000 rpm 18000 rpm
W 6303-2RZ 17 mm 47 mm 14 mm 11.7 N 6.55 N 36000 rpm 18000 rpm
W 6303-2RS1 17 mm 47 mm 14 mm 11.7 N 6.55 N - 10000 rpm
W 6303 17 mm 47 mm 14 mm 11.7 N 6.55 N 36000 rpm 22000 rpm
W 6302-2Z 15 mm 42 mm 13 mm 9.95 N 5.4 N 40000 rpm 20000 rpm
W 6302-2RZ 15 mm 42 mm 13 mm 9.95 N 5.4 N 40000 rpm 20000 rpm
W 6302-2RS1 15 mm 42 mm 13 mm 9.95 N 5.4 N - 11000 rpm
W 6302 15 mm 42 mm 13 mm 9.95 N 5.4 N 40000 rpm 26000 rpm
W 6301-2Z 12 mm 37 mm 12 mm 8.32 N 4.15 N 48000 rpm 24000 rpm
W 6301-2RZ 12 mm 37 mm 12 mm 8.32 N 4.15 N 48000 rpm 24000 rpm
W 6301-2RS1 12 mm 37 mm 12 mm 8.32 N 4.15 N - 14000 rpm
W 6301 12 mm 37 mm 12 mm 8.32 N 4.15 N 48000 rpm 30000 rpm