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6811JR - NTN

6811JR

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 diameter55 mm
D - External diameter72 mm
B - Bearing/Inner ring width9 mm
rs - Min fillet radius0,3 mm
Radial clearance classCN
Mass0,083 kg
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PRODUCT PERFORMANCE
C - Dynamic load9,75 kN
C0 - Static load8,1 kN
Cu - Fatigue limit load0,54 kN
f0 - Coefficient16.2
N lim - Oil lubrication limit speed10000 tr/min
N lim - Grease lubrication limit speed8700 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR57 mm
Da max - Max shoulder diameter OR70 mm
ra max - Max shaft & housing fillet radius0,3 mm
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