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

Double row angular contact ball bearings

5311.NRZZG15 - SNR

5311.NRZZG15

Double row angular contact ball bearing, polyamide cage, snap ring and groove on outer diameter, shield on both sides

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter55 mm
D - External diameter120 mm
B - Bearing/Inner ring width49,2 mm
d1 - External diameter inner ring75,2 mm
D1 - Inner diameter outer ring105 mm
a - Charge load application point61,2 mm
α - Contact angle25 °
a min - Min position Groove3,86 mm
a max - Max position groove4,06 mm
rs - Min fillet radius2 mm
rNs - Min fillet radius1 mm
D3 - Max bottom groove diameter115,21 mm
b min - Min groove width3,1 mm
b max - Max groove width3,4 mm
r0 max - Max bottom groove radius0,6 mm
D4 max - Max outer diameter of assembled stop ring129,7 mm
f - Stop ring thickness2,77 mm
Snap ring referenceR 120
Radial clearance classCN
Precision classP0
Mass2,11 kg
undefined
PRODUCT PERFORMANCE
C - Dynamic load98,6 kN
C0 - Static load78,8 kN
Cu - Fatigue limit load4,9 kN
f0 - Coefficient13.8
N ref - Reference thermal speed5000 tr/min
N lim - Mechanical Limit Speed4400 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)3,173 Hz
BPFI - Over rolling frequency on inner (60 rpm)4,827 Hz
BSF - Over rolling frequency on rolling element (60 rpm)4,197 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,099 Hz
FTF - Rotational frequency - cage (60 rpm)0,397 Hz
ABUTMENT
da min - Min shoulder diameter IR64 mm
da max - Max shoulder diameter IR75,2 mm
Da max - Max shoulder diameter OR111 mm
Ca min - Mini segment position6,58 mm
Ca max - Max segment position6,88 mm
ra max - Max shaft & housing fillet radius2 mm
rNa max - Max fillet radius on segment side1 mm
Db min - Min stop ring position diameter131,5 mm
undefined