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W637/2-2Z SKF Deep Groove Ball Bearings

W637/2-2Z SKF Deep Groove Ball Bearings

W637/2-2Z SKF Deep Groove Ball Bearings Bearing number W637/2-2Z W637/4X W637/5X-2ZS Size (mm) 2x4x2(mm) 4x10x3(mm) 5x9x3(mm) Brand SKF SKF SKF...
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Product DescriptionW637/2-2Z

W637/2-2Z SKF Deep Groove Ball Bearings

Bearing numberW637/2-2ZW637/4XW637/5X-2ZS
Size (mm)2x4x2(mm)4x10x3(mm)5x9x3(mm)
BrandSKFSKFSKF
Bore Diameter (mm)2(mm)4(mm)5(mm)
Outer Diameter (mm)4(mm)10(mm)9(mm)
Width (mm)2(mm)3(mm)3(mm)
d2 mm
0.0787 in
4 mm
0.1575 in
5 mm
0.1969 in
D4 mm
0.1575 in
10 mm
0.3937 in
9 mm
0.3543 in
B2 mm
0.0787 in
3 mm
0.1181 in
3 mm
0.1181 in
C2 mm
0.0787 in
3 mm
0.1181 in
3 mm
0.1181 in
d12,5 mm
0.0984 in
5,9 mm
0.2323 in
6 mm
0.2362 in
d2– mm
0 in
– mm
0 in
– mm
0 in
r1 min.2,4 mm
0.0945 in
0,2 mm
0.0079 in
5,9 mm
0.2323 in
r2 min.2,4 mm
0.0945 in
0,2 mm
0.0079 in
5,9 mm
0.2323 in
D13,7 mm
0.1457 in
8,2 mm
0.3228 in
8,2 mm
0.3228 in
D20,05 mm
0.002 in
– mm
0 in
0,15 mm
0.0059 in
da min.2,5 mm
0.0984 in
5,6 mm
0.2205 in
5,9 mm
0.2323 in
Da max.3,8 mm
0.1496 in
8,4 mm
0.3307 in
8,2 mm
0.3228 in
ra max.0,05 mm
0.002 in
0,2 mm
0.0079 in
0,15 mm
0.0059 in
Weight0,00009 Kg0,001 Kg0,0006 Kg
Basic dynamic load rating (C)0,068 kN0,553 kN0,247 kN
Basic static load rating (C0)0,019 kN0,245 kN0,085 kN
Fatigue load limit (Pu)0,0010,0110,004
Reference speed200000 r/min130000 r/min130000 r/min
Limiting speed100000 r/min80000 r/min67000 r/min
Calculation factor (f0)6,7127,6

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