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150KBE031+LC3

Double-Row Tapered Roller Bearings
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Parts Number Qty
150KBE031+LC3 Double-Row Tapered Roller Bearings
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Display units

Parts Number

150KBE031+LC3

Boundary Dimensions

d 150 mm Bore diameter
D 250 mm Outside diameter
B2 100 mm Total width
C 80 mm Width of outer ring
r (min.) 3 mm Chamfer dimension
r1 (min.) 1 mm Chamfer dimension

Basic Load Ratings

Cr 775000 N Basic dynamic load rating
C0r 1090000 N Basic static load rating

Speeds

Grease 1100 min-1 Grease lubrication
Oil (Oil-bath) 1400 min-1 Oil-bath lubrication

Abutment and Fillet Dimensions

da (min.) 168 mm Diameter of shaft abutment
rb (max.) 1 mm Radius of housing fillet of outer ring
Db (min.) 238 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 0.39 Constant
Y2 2.6 Axial load Factors
Y3 1.7 Axial load Factors
Y0 1.7 Axial load Factors

Mass

(approx.) 17.8 kg

Properties

Design ( ): Cylindrical bore
Cage ( ): Pressed steel cage
Spacer or Sleeve +L: Bearing with inner ring spacer
Radial Internal Clearance C3
Tolerance ISO NORMAL CLASS
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)
150KBE031+L 150 250 100 80 775000 1090000 ISO NORMAL CLASS 1100 1400 17.8

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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 150KBE031+L

© NSK Ltd.

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