6304NR bearing 20x52x15

Bearing 6304 NR Bearing 6304 NR

Deep groove ball bearings, single row, with a snap ring groov 6304 NR

Bearing number : 6304 NR

Size (mm) : 20x52x15

Bore Diameter (mm) : 20

Outer Diameter (mm) : 52

Width (mm) : 15

Bearing dimensions and specification in catalogue:

d - 20 mm

D - 52 mm

B - 15 mm

d1 - - 30.35 mm

D2 - - 44.71 mm

D3 - 49.73 mm

D4 - 57.9 mm

b - 1.35 mm

C - 2.46 mm

f - 1.12 mm

r0 - 0.4 mm

r1,2 - min. - 1.1 mm

da - min. - 27 mm

Da - max. - 45 mm

Db - min. - 59 mm

ba - min. - 1.5 mm

Ca - max. - 3.58 mm

ra - max. - 1 mm

Basic dynamic load rating - C - 16.8 kN

Basic static load rating - C0 - 7.8 kN

Fatigue load limit - Pu - 0.335 kN

Reference speed - 30000 r/min

Limiting speed - 19000 r/min

Calculation factor - kr - 0.03

Calculation factor - f0 - 12

Mass bearing - 0.149 kg

Snap ring - SP 52

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