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

1211 - SNR

1211

Self-aligning ball bearing, pressed steel cage, open

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter55 mm
D - External diameter100 mm
B - Bearing/Inner ring width21 mm
d1 - External diameter inner ring70,3 mm
D1 - Inner diameter outer ring86,1 mm
rs - Min fillet radius1,5 mm
Radial clearance classCN
Precision classP0
Mass0,697 kg
undefined
PRODUCT PERFORMANCE
C - Dynamic load26,5 kN
C0 - Static load10 kN
Cu - Fatigue limit load0,45 kN
e - Coefficient0.2
Y0 - Static axial load coefficient3.38
Y1 - Lower axial load coefficient3.23
Y2 - Upper axial load coefficient5
N ref - Reference thermal speed6900 tr/min
N lim - Mechanical Limit Speed8800 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)8,248 Hz
BPFI - Over rolling frequency on inner (60 rpm)10,752 Hz
BSF - Over rolling frequency on rolling element (60 rpm)7,393 Hz
BRF - Rotational frequency – rolling element (60 rpm)3,697 Hz
FTF - Rotational frequency - cage (60 rpm)0,434 Hz
ABUTMENT
da min - Min shoulder diameter IR63 mm
Da max - Max shoulder diameter OR92 mm
ra max - Max shaft & housing fillet radius1,5 mm
undefined