NAXR25TN KOYO complex bearings

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What is KOYO bearing cross reference?

Brand Name:NAXR25TN
Model Number:KOYO
Bearing number:638-RZ
Size (mm):8x28x6
Bore Diameter (mm):8
Outer Diameter (mm):28
Width (mm):6
d:8 mm
D:28 mm
B:6 mm

Product Details

Bearing number638-RZ
Size (mm)8x28x6
Bore Diameter (mm)8
Outer Diameter (mm)28
Width (mm)6
d8 mm
D28 mm
B6 mm
C6 mm
d114,8 mm
d2– mm
r1 min.10,4 mm
r2 min.10,4 mm
D122,6 mm
D20,3 mm
da min.10.4 mm
Da max.25.6 mm
ra max.0.3 mm
Weight0,03 Kg
Basic dynamic load rating (C)1,33 kN
Basic static load rating (C0)0,57 kN
Fatigue load limit (Pu)0,024
Reference speed60000 r/min
Limiting speed30000 r/min
Calculation factor (f0)12
d1 ≈14.8 mm
D2 ≈22.6 mm
r1,2 min.0.3 mm
da max.14.7 mm
Basic dynamic load rating C1.33 kN
Basic static load rating C00.57 kN
Fatigue load limit Pu0.024 kN
Calculation factor kr0.03
Calculation factor f012
Mass bearing0.03 kg
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Company Profile

Worktime 9:00-18:00(Beijing time)
Phone 86-02-7233546
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