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Single row tapered roller bearings

32912XA - NTN

32912XA

Tapered roller bearing, pressed steel cage

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 diameter85 mm
B - Bearing/Inner ring width17 mm
C - Outer ring width14 mm
T - Total width17 mm
a - Charge load application point15,5 mm
rs - Min fillet radius1 mm
r1s - Min fillet radius1 mm
Mass0,281 kg
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PRODUCT PERFORMANCE
C - Dynamic load56,5 kN
C0 - Static load83 kN
Cu - Fatigue limit load10,1 kN
A2 - Rating life coefficient1
e - Coefficient0.33
Y0 - Static axial load coefficient0.99
Y2 - Upper axial load coefficient1.8
N lim - Oil lubrication limit speed5300 tr/min
N lim - Grease lubrication limit speed4000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR65,5 mm
db min - Min IR shoulder diameter66 mm
Da min - Min shoulder diameter OR76,5 mm
Da max - Max shoulder diameter OR79,5 mm
Db min - Min OR shoulder diameter82,5 mm
Ca - Min clearance3 mm
Cb - Min clearance3 mm
ra max - Max fillet radius1 mm
r1a - Max fillet radius1 mm
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