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63/28 - NTN

63/28

Deep groove ball bearing, radial contact, pressed steel cage, open

The single row deep-groove ball bearing is the most popular bearing. It is available in a wide range of sizes with several possible options: sealing with shields or seals, presence of a retaining ring, varied clearances, several cage types, etc.

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter28 mm
D - External diameter68 mm
B - Bearing/Inner ring width18 mm
rs - Min fillet radius1,1 mm
Radial clearance classCN
Mass0,284 kg
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PRODUCT PERFORMANCE
C - Dynamic load29,6 kN
C0 - Static load14 kN
Cu - Fatigue limit load1,1 kN
f0 - Coefficient12.4
N lim - Oil lubrication limit speed13000 tr/min
N lim - Grease lubrication limit speed11000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR34,5 mm
Da max - Max shoulder diameter OR61,5 mm
ra max - Max shaft & housing fillet radius1 mm
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