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Double-row self-aligning ball bearings

1213S - NTN

1213S

Self-aligning ball bearing, pressed steel cage, open

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter65 mm
D - External diameter120 mm
B - Bearing/Inner ring width23 mm
rs - Min fillet radius1,5 mm
Radial clearance classCN
Precision classP0
Mass1,16 kg
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PRODUCT PERFORMANCE
C - Dynamic load31 kN
C0 - Static load12,5 kN
Cu - Fatigue limit load0,5 kN
e - Coefficient0.17
Y0 - Static axial load coefficient3.8
Y1 - Lower axial load coefficient3.7
Y2 - Upper axial load coefficient5.7
N lim - Oil lubrication limit speed6000 tr/min
N lim - Grease lubrication limit speed4800 tr/min
Tmin - Min operating temperature-20 °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
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