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240KBE031+L

Double-Row Tapered Roller Bearings
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Images shown are representations. Designs and specifications may differ from actual products.
Parts Number
240KBE031+L Double-Row Tapered Roller Bearings
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Display units

Parts Number

240KBE031+L

Boundary Dimensions

d 240 mm Bore diameter
D 400 mm Outside diameter
B2 160 mm Total width
C 128 mm Width of outer ring
r (min.) 5 mm Chamfer dimension
r1 (min.) 1.5 mm Chamfer dimension

Basic Load Ratings

Cr 1990000 N Basic dynamic load rating
C0r 3050000 N Basic static load rating

Speeds

Grease 630 min-1 Grease lubrication
Oil (Oil-bath) 850 min-1 Oil-bath lubrication

Abutment and Fillet Dimensions

da (min.) 267 mm Diameter of shaft abutment
rb (max.) 1.5 mm Radius of housing fillet of outer ring
Db (min.) 378 mm Minimum width of space required in housing on large side face
ra (max.) 3 mm Radius of shaft fillet of inner ring

Calculation factors

e 0.39 Constant
Y2 2.6 Axial load Factors
Y3 1.7 Axial load Factors
Y0 1.7 Axial load Factors

Mass

(approx.) 73.6 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)
240KBE031+L 240 400 160 128 1990000 3050000 ISO NORMAL CLASS 630 850 73.6

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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 240KBE031+L

© NSK Ltd.

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