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Single row deep groove ball bearings

6920NR - NTN

6920NR

Deep groove ball bearing, radial contact, pressed steel cage, snap ring & groove on outer diameter, 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 diameter100 mm
D - External diameter140 mm
B - Bearing/Inner ring width20 mm
a min - Min position Groove3,1 mm
a max - Max position groove3,3 mm
rs - Min fillet radius1,1 mm
rNs - Min fillet radius0,5 mm
D3 - Max bottom groove diameter137,6 mm
b min - Min groove width1,9 mm
b max - Max groove width2,2 mm
r0 max - Max bottom groove radius0,6 mm
D4 max - Max outer diameter of assembled stop ring145,7 mm
f - Stop ring thickness1,65 mm
Snap ring referenceR140
Radial clearance classCN
Mass0,785 kg
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PRODUCT PERFORMANCE
C - Dynamic load45,5 kN
C0 - Static load39,5 kN
Cu - Fatigue limit load2,44 kN
f0 - Coefficient16.4
N lim - Oil lubrication limit speed5300 tr/min
N lim - Grease lubrication limit speed4500 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR106,5 mm
da max - Max shoulder diameter IR110 mm
Da max - Max shoulder diameter OR133,5 mm
ra max - Max shaft & housing fillet radius1 mm
rNa max - Max fillet radius on segment side0,5 mm
Ca min - Mini segment position4,7 mm
Ca max - Max segment position5 mm
Db min - Min stop ring position diameter147 mm
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