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Single row deep groove ball bearings

6012.ZZ - SNR

6012.ZZ

Deep groove ball bearing, radial contact, pressed steel cage, 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 diameter60 mm
D - External diameter95 mm
B - Bearing/Inner ring width18 mm
d1 - External diameter inner ring70,6 mm
D1 - Inner diameter outer ring87,4 mm
rs - Min fillet radius1,1 mm
Radial clearance classCN
Mass0,413 kg
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PRODUCT PERFORMANCE
C - Dynamic load31 kN
C0 - Static load23,2 kN
Cu - Fatigue limit load1,05 kN
f0 - Coefficient15.6
N ref - Reference thermal speed7700 tr/min
N lim - Mechanical Limit Speed9300 tr/min
Tmin - Min operating temperature-30 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)6,068 Hz
BPFI - Over rolling frequency on inner (60 rpm)7,932 Hz
BSF - Over rolling frequency on rolling element (60 rpm)7,377 Hz
BRF - Rotational frequency – rolling element (60 rpm)3,689 Hz
FTF - Rotational frequency - cage (60 rpm)0,433 Hz
ABUTMENT
da min - Min shoulder diameter IR66,5 mm
da max - Max shoulder diameter IR70,6 mm
Da max - Max shoulder diameter OR88,5 mm
ra max - Max shaft & housing fillet radius1 mm
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