• English
  • Français
  • Deutsch
  • Italiano
  • Español
  • Português do Brasil
  • Polski
  • Русский
  • Türkçe

Single row tapered roller bearings

32308.A - SNR

32308.A

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
BrandSNR
d - Internal diameter40 mm
D - External diameter90 mm
B - Bearing/Inner ring width33 mm
C - Outer ring width27 mm
T - Total width35,25 mm
d1 - External diameter inner ring63,2 mm
a - Charge load application point23,4 mm
rs - Min fillet radius2 mm
r1s - Min fillet radius1,5 mm
Mass1,04 kg
ISO 355 referenceT2FD040
undefined
PRODUCT PERFORMANCE
C - Dynamic load127 kN
A2 - Rating life coefficient1
C0 - Static load148 kN
Cu - Fatigue limit load18 kN
e - Coefficient0.35
Y0 - Static axial load coefficient0.96
Y2 - Upper axial load coefficient1.74
N ref - Reference thermal speed5600 tr/min
N lim - Mechanical Limit Speed8300 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)6,566 Hz
BPFI - Over rolling frequency on inner (60 rpm)9,434 Hz
BSF - Over rolling frequency on rolling element (60 rpm)5,261 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,631 Hz
FTF - Rotational frequency - cage (60 rpm)0,41 Hz
ABUTMENT
da max - Max shoulder diameter IR50 mm
db min - Min IR shoulder diameter50 mm
Da min - Min shoulder diameter OR73 mm
Da max - Max shoulder diameter OR81,5 mm
Db min - Min OR shoulder diameter82 mm
Ca - Min clearance3 mm
Cb - Min clearance8 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius1,5 mm
undefined

Industry Calcul Factors

Calcul factors image