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Single row deep groove ball bearings

6213ZNR - NTN

6213ZNR

Deep groove ball bearing, radial contact, pressed steel cage, snap ring & groove on outer diameter, shield on one side

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 diameter65 mm
D - External diameter120 mm
B - Bearing/Inner ring width23 mm
a min - Min position Groove3,86 mm
a max - Max position groove4,06 mm
rs - Min fillet radius1,5 mm
rNs - Min fillet radius0,5 mm
D3 - Max bottom groove diameter115,21 mm
b min - Min groove width3,1 mm
b max - Max groove width3,4 mm
r0 max - Max bottom groove radius0,6 mm
D4 max - Max outer diameter of assembled stop ring129,7 mm
f - Stop ring thickness2,82 mm
Snap ring referenceR120
Radial clearance classCN
Mass0,99 kg
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PRODUCT PERFORMANCE
C - Dynamic load63,5 kN
C0 - Static load40 kN
Cu - Fatigue limit load3,15 kN
f0 - Coefficient14.4
N lim - Oil lubrication limit speed6500 tr/min
N lim - Grease lubrication limit speed5500 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR73 mm
Da max - Max shoulder diameter OR112 mm
ra max - Max shaft & housing fillet radius1,5 mm
rNa max - Max fillet radius on segment side0,5 mm
Ca min - Mini segment position6,58 mm
Ca max - Max segment position6,88 mm
Db min - Min stop ring position diameter131,5 mm
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