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d:
D:
B:

Double-Row Step Bore Ball Slewing Bearing

Double-Row Step Bore Ball Slewing Bearing

020.30.1120

Description

BRAND:OEM, WJY ,Neutral brand
Availability: In stock 
New model:-
Old model:-
Bearing type: Slewing Bearing
Inside diameter d :mm
Outside diameter D:mm
Width B: mm
Weight:KGS
Cr(KN):- Cor(KN):-
Grease lubrication speed(r/min):-
Oil lubrication speed(r/min):-
da min. :mm
Da min. :mm
ra max. :mm
Calculation factore
Calculation factorY1
Calculation factorY2
Calculation factorY0
Basic dynamic load rating C KN
Basic static load rating C0KN
Fatigue load limit Pu :KN
Reference speedr/min
Limiting speedr/min
Cage :Brass cage / Steel cage
Seals or shields Open type
Clearance :Standard






Dimension and Parameters

Double-Row Step Bore Ball Slewing Bearing Double-Row Step Bore Ball Slewing Bearing
Designations
Non-gear :020.30.1120
External gear :021.30.1120
Internal gear :023.30.1120
Boundary Dimensions (Size)
d (mm) :978
D (mm) :1262
H (mm) :124
Bolt hole diameter
D1 :1218
D2 :1022
dn1 dn2 :22
dm1 dm2 :M20
L :40
n :36
Structure dimensions
n1 :6
H1 :114
h :29
Gear parameters
b :80
m :10
Outer Gear
Da :1318
z :129
Inner Gear
da :924
z :93
Basic load Ratings
Coa KN :3210
Mass
kg :340