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Single row deep groove ball bearings

6203NR - NTN

6203NR

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 diameter17 mm
D - External diameter40 mm
B - Bearing/Inner ring width12 mm
a min - Min position Groove1,9 mm
a max - Max position groove2,06 mm
rs - Min fillet radius0,6 mm
rNs - Min fillet radius0,5 mm
D3 - Max bottom groove diameter38,1 mm
b min - Min groove width1,35 mm
b max - Max groove width1,65 mm
r0 max - Max bottom groove radius0,4 mm
D4 max - Max outer diameter of assembled stop ring44,6 mm
f - Stop ring thickness1,12 mm
Snap ring referenceR40
Radial clearance classCN
Mass0,066 kg
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PRODUCT PERFORMANCE
C - Dynamic load10,6 kN
C0 - Static load4,6 kN
Cu - Fatigue limit load0,355 kN
f0 - Coefficient12.8
N lim - Oil lubrication limit speed21000 tr/min
N lim - Grease lubrication limit speed18000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR21 mm
Da max - Max shoulder diameter OR36 mm
ra max - Max shaft & housing fillet radius0,6 mm
rNa max - Max fillet radius on segment side0,5 mm
Ca min - Mini segment position2,92 mm
Ca max - Max segment position3,18 mm
Db min - Min stop ring position diameter45,5 mm
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