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NU 20/850 ECMA Cylindrical Roller Bearing

​Technical datas of single row cylindrical roller bearing NU 20/850 ECMA 850x1220x212mm
850*1220*212mm bearing
NU 20/850 ECMA heavy duty cylindrical roller bearing
bearing NU20/850ECMA

Description

Technical datas of single row  cylindrical roller bearing NU 20/850 ECMA

Angular contact ball bearings, single row 7313BECBM

d
850mm
D
1220mm
B
212mm
D11110mm
F
942mm
r1,2min.7.5mm
smax.2mm
Basic   dynamic load ratingC
8420kN
Basic static load ratingC0
18600kN
Fatigue load limitPu
1200kN
Reference speed

360r/min
Limiting speed

560r/min
Calculation factorkr
0.17
Limiting valuee
0.3
Axial load factorY
0.4
Mass  



Mass   bearing

880kg

Code analyse of NU20/850ECMA bearings

NU20/850-cylindrical roller bearing, with inner diameter 850mm

EC-optimized internal design incorporating more larger rollers

MA-machined brass cage, outer ring centred.


Application of NU20/850ECMA bearings

Bearings NU20/850ECMA can be used for large and medium-sized electric motors, rolling stock, machine tool spindles, internal combustion engines, generators, gas turbines, reduction gearboxes, rolling mills, vibrating screens, and lifting and transportation machinery, etc.


For more heavy duty cylindrical roller bearings demand, freely contact Mr Gavin Chu(gavinchu@sunrises-group.com)

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