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

Single row tapered roller bearings

33209A - SNR

33209A

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 diameter45 mm
D - External diameter85 mm
B - Bearing/Inner ring width32 mm
C - Outer ring width25 mm
T - Total width32 mm
d1 - External diameter inner ring64,9 mm
a - Charge load application point21,9 mm
rs - Min fillet radius1,5 mm
r1s - Min fillet radius1,5 mm
Mass0,771 kg
undefined
PRODUCT PERFORMANCE
C - Dynamic load114 kN
A2 - Rating life coefficient1
C0 - Static load145 kN
Cu - Fatigue limit load17,6 kN
e - Coefficient0.39
Y0 - Static axial load coefficient0.86
Y2 - Upper axial load coefficient1.56
N ref - Reference thermal speed5200 tr/min
N lim - Mechanical Limit Speed8400 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)7,652 Hz
BPFI - Over rolling frequency on inner (60 rpm)10,348 Hz
BSF - Over rolling frequency on rolling element (60 rpm)6,323 Hz
BRF - Rotational frequency – rolling element (60 rpm)3,162 Hz
FTF - Rotational frequency - cage (60 rpm)0,425 Hz
ABUTMENT
da max - Max shoulder diameter IR52 mm
db min - Min IR shoulder diameter52 mm
Da min - Min shoulder diameter OR72 mm
Da max - Max shoulder diameter OR78 mm
Db min - Min OR shoulder diameter81 mm
Ca - Min clearance5 mm
Cb - Min clearance7 mm
ra max - Max fillet radius1,5 mm
r1a - Max fillet radius1,5 mm
undefined

Industry Calcul Factors

Calcul factors image