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Single row tapered roller bearings
32012A - SNR
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
Brand
SNR
d - Internal diameter
60 mm
D - External diameter
95 mm
B - Bearing/Inner ring width
23 mm
C - Outer ring width
17,5 mm
T - Total width
23 mm
d1 - External diameter inner ring
78,5 mm
a - Charge load application point
20,9 mm
rs - Min fillet radius
1,5 mm
r1s - Min fillet radius
1,5 mm
Mass
0,584 kg
ISO 355 reference
T0604CC
PRODUCT PERFORMANCE
C - Dynamic load
84,9 kN
A2 - Rating life coefficient
1
C0 - Static load
121 kN
Cu - Fatigue limit load
14,8 kN
e - Coefficient
0.43
Y0 - Static axial load coefficient
0.77
Y2 - Upper axial load coefficient
1.39
N ref - Reference thermal speed
4400 tr/min
N lim - Mechanical Limit Speed
7200 tr/min
Tmin - Min operating temperature
-40 °C
Tmax - Max operating temperature
120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)
11,693 Hz
BPFI - Over rolling frequency on inner (60 rpm)
14,307 Hz
BSF - Over rolling frequency on rolling element (60 rpm)
9,465 Hz
BRF - Rotational frequency – rolling element (60 rpm)
