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Single row tapered roller bearings

32312C - NTN

32312C

The single row tapered roller bearing is available in metric dimensions (ISO 355 and JIS B 1512 standards) and in inches (ABMA standard, metric series including J). The single row in tapered roller bearing range, is the most widely used and is generally mounted in opposition.

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter60 mm
D - External diameter130 mm
B - Bearing/Inner ring width46 mm
C - Outer ring width37 mm
T - Total width48,5 mm
a - Charge load application point39 mm
rs - Min fillet radius3 mm
r1s - Min fillet radius2,5 mm
Mass3,07 kg
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PRODUCT PERFORMANCE
C - Dynamic load237 kN
C0 - Static load296 kN
e - Coefficient0.55
Y0 - Static axial load coefficient0.6
Y2 - Upper axial load coefficient1.1
N lim - Oil lubrication limit speed3900 tr/min
N lim - Grease lubrication limit speed2900 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
Da min - Min shoulder diameter OR96,5 mm
Da max - Max shoulder diameter OR118 mm
Db min - Min OR shoulder diameter122 mm
Ca - Min clearance5 mm
Cb - Min clearance11 mm
ra max - Max fillet radius2,5 mm
r1a - Max fillet radius2 mm
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