Angular contact ball bearings, four-point contact ball bearings QJ304N2MA
Bearing number : QJ304N2MA
Size (mm) : 20x52x15
Brand : SKF
Bore Diameter (mm) : 20
Outer Diameter (mm) : 52
Width (mm) : 15
Bearing dimensions and specification in SKF catalogue:
d - 20 mm
D - 52 mm
B - 15 mm
C - 15 mm
a - 25 mm
d1 - 27,5 mm
r1 min. - 1,1 mm
r2 min. - 1,1 mm
D1 - 40,8 mm
da min. - 27 mm
Da max. - 45 mm
ra max. - 1 mm
Weight - 0,18 Kg
Basic dynamic load rating (C) - 32 kN
Basic static load rating (C0) - 21,6 kN
Fatigue load limit (Pu) - 0,93
Reference speed - 18000 r/min
Limiting speed - 24000 r/min
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SKF QJ304N2MA bearing for sale can ensure high quality for more than 80% raw material of SKF QJ304N2MA bearing for sale provided by the steel plant.Explorer series bearing of SKF QJ304N2MA bearing for sale are better than any brand bearings currently in bearing performance , lifetime, design, and the use of performance.
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Some common SKF lubrication methods of bearings. First, solid smooth of SKF lubrication Under some special conditions, a small number of solid smoothing agents are added to the smooth grease. For example, participation of 3 to 5% of No. 1 molybdenum disulfide can reduce wear, improve compressive and heat resistance, and are suitable for high temperature, elegance, high vacuum, and corrosion ...