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6821 - NTN

6821

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 diameter105 mm
D - External diameter130 mm
B - Bearing/Inner ring width13 mm
rs - Min fillet radius1 mm
Radial clearance classCN
Mass0,33 kg
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PRODUCT PERFORMANCE
C - Dynamic load22 kN
C0 - Static load22 kN
Cu - Fatigue limit load1,35 kN
f0 - Coefficient15.9
N lim - Oil lubrication limit speed5400 tr/min
N lim - Grease lubrication limit speed4600 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR110 mm
Da max - Max shoulder diameter OR125 mm
ra max - Max shaft & housing fillet radius1 mm
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