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6221 - NTN

6221

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 diameter190 mm
B - Bearing/Inner ring width36 mm
rs - Min fillet radius2,1 mm
Radial clearance classCN
Mass3,7 kg
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PRODUCT PERFORMANCE
C - Dynamic load147 kN
C0 - Static load105 kN
Cu - Fatigue limit load6,75 kN
f0 - Coefficient14.4
N lim - Oil lubrication limit speed4000 tr/min
N lim - Grease lubrication limit speed3400 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR116 mm
Da max - Max shoulder diameter OR179 mm
ra max - Max shaft & housing fillet radius2 mm
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