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

Single row deep groove ball bearings

6307.NRZZ - SNR

6307.NRZZ

Deep groove ball bearing, radial contact, pressed steel cage, snap ring & groove on outer diameter, shields on both sides

The single row deep-groove ball bearing is the most popular bearing. It is available in a wide range of sizes with several possible options: sealing with shields or seals, presence of a retaining ring, varied clearances, several cage types, etc.

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter35 mm
D - External diameter80 mm
B - Bearing/Inner ring width21 mm
d1 - External diameter inner ring46,2 mm
D1 - Inner diameter outer ring70,1 mm
a min - Min position Groove3,07 mm
a max - Max position groove3,28 mm
Ca min - Mini segment position4,67 mm
Ca max - Max segment position4,98 mm
rs - Min fillet radius1,5 mm
rNs - Min fillet radius0,5 mm
D3 - Max bottom groove diameter76,81 mm
b min - Min groove width1,9 mm
b max - Max groove width2,2 mm
r0 max - Max bottom groove radius0,6 mm
D4 max - Max outer diameter of assembled stop ring86,6 mm
f - Stop ring thickness1,65 mm
Snap ring referenceR80
Radial clearance classCN
Mass0,446 kg
undefined
PRODUCT PERFORMANCE
C - Dynamic load35,1 kN
C0 - Static load19,2 kN
Cu - Fatigue limit load0,87 kN
f0 - Coefficient13.2
N ref - Reference thermal speed9900 tr/min
N lim - Mechanical Limit Speed12000 tr/min
Tmin - Min operating temperature-30 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)3,069 Hz
BPFI - Over rolling frequency on inner (60 rpm)4,931 Hz
BSF - Over rolling frequency on rolling element (60 rpm)4,066 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,033 Hz
FTF - Rotational frequency - cage (60 rpm)0,384 Hz
ABUTMENT
da min - Min shoulder diameter IR43 mm
da max - Max shoulder diameter IR46,2 mm
Da max - Max shoulder diameter OR72 mm
ra max - Max shaft & housing fillet radius1,5 mm
rNa max - Max fillet radius on segment side0,5 mm
Db min - Min stop ring position diameter88 mm
undefined