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120KBE52X+L

Double-Row Tapered Roller Bearings
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Images shown are representations. Designs and specifications may differ from actual products.
Parts Number
120KBE52X+L Double-Row Tapered Roller Bearings
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Parts Number

120KBE52X+L

Boundary Dimensions

d 120 mm Bore diameter
D 215 mm Outside diameter
B2 132 mm Total width
C 109 mm Width of outer ring
r (min.) 3 mm Chamfer dimension
r1 (min.) 1 mm Chamfer dimension

Basic Load Ratings

Cr 885000 N Basic dynamic load rating
C0r 1170000 N Basic static load rating

Speeds

Grease 1300 min-1 Grease lubrication
Oil (Oil-bath) 1800 min-1 Oil-bath lubrication

Abutment and Fillet Dimensions

da (min.) 138 mm Diameter of shaft abutment
rb (max.) 0.8 mm Radius of housing fillet of outer ring
Db (min.) 208 mm Minimum width of space required in housing on large side face
ra (max.) 2 mm Radius of shaft fillet of inner ring

Calculation factors

e 0.42 Constant
Y2 2.4 Axial load Factors
Y3 1.6 Axial load Factors
Y0 1.6 Axial load Factors

Mass

(approx.) 18.3 kg
Designations Boundary Dimensions Basic Load Ratings Radial Internal Clearance Tolerance Class Limiting Speeds Mass
d
(mm)		 D
(mm)		 B2
(mm)		 C
(mm)		 Cr
(N)		 C0r
(N)		 min
 max
 Grease
(min-1)		 Oil (Oil-bath)
(min-1)		 (approx.)
(kg)
120KBE52X+L 120 215 132 109 885000 1170000 ISO NORMAL CLASS 1300 1800 18.3

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Not to scale.
(*) The chamfer dimensions are minimum values.
The bore diameter "no-go side" tolerances (High) specified in this drawing do not necessarily apply within a distance from the ring face to 1.2 times the chamfer dimension r (max).
Some of these tolerances conform to NSK standards.

CAD
More Information
NSK Product Type2 TRBSR_DR
NSK Product Type Bearing
Designations 120KBE52X+L

© NSK Ltd.

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