M257149D/M257110/M257110D NSK Double Row Double Row Bearings

Brand Name:NSK
Model Number:M257149D/M257110/M257110D
d:20 mm
D:52 mm
B:15 mm
d1 ≈:33.15 mm
d2 ≈:26.75 mm
D2 ≈:41.55 mm
a:22.8 mm
r1,2 min.:1.1 mm

Product Details

d20 mm
D52 mm
B15 mm
d1 ≈33.15 mm
d2 ≈26.75 mm
D2 ≈41.55 mm
a22.8 mm
r1,2 min.1.1 mm
r3,4 min.0.6 mm
da min.27 mm
da max.30.5 mm
Da max.45 mm
Db max.47.8 mm
ra max.1 mm
rb max.0.6 mm
Basic dynamic load rating C17.4 kN
Basic static load rating C09.5 kN
Fatigue load limit Pu0.4 kN
Reference speed17000 r/min
Limiting speed13000 r/min
Calculation factor A0.00191
Calculation factor kr0.1
Calculation factor e1.14
Calculation factor X0.57
Calculation factor Y00.52
Calculation factor Y20.93
Calculation factor Y10.55
Standard greaseGXN
Mass bearing0.14 kg
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Company Profile

Worktime 9:00-18:00(BeiJing time)
Phone 86-13563849567
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