140KBE52X+L

Double-Row Tapered Roller Bearings

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Parts Number
140KBE52X+LC3 Double-Row Tapered Roller Bearings			Add to Compare You can use this service by registering as a member.

Product Information

Display units Metric Imperial

Parts Number

140KBE52X+LC3

Boundary Dimensions

d	140	mm	Bore diameter
D	250	mm	Outside diameter
B2	153	mm	Total width
C	125.5	mm	Width of outer ring
r (min.)	4	mm	Chamfer dimension
r1 (min.)	1	mm	Chamfer dimension

Basic Load Ratings

C_r	1160000	N	Basic dynamic load rating
C_0r	1670000	N	Basic static load rating

Speeds

Grease	1100	min^-1	Grease lubrication
Oil (Oil-bath)	1500	min^-1	Oil-bath lubrication

Abutment and Fillet Dimensions

da (min.)	161	mm	Diameter of shaft abutment
rb (max.)	1	mm	Radius of housing fillet of outer ring
Db (min.)	241	mm	Minimum width of space required in housing on large side face
ra (max.)	2.5	mm	Radius of shaft fillet of inner ring

Calculation factors

e	0.4	Constant
Y2	2.5	Axial load Factors
Y3	1.7	Axial load Factors
Y0	1.6	Axial load Factors

Mass

(approx.)

Drawing for Reference

Designations	Boundary Dimensions				Basic Load Ratings		Radial Internal Clearance			Tolerance Class	Limiting Speeds		Mass
Designations	d (mm)	D (mm)	B2 (mm)	C (mm)	C_r (N)	C_0r (N)		min	max	Tolerance Class	Grease (min^-1)	Oil (Oil-bath) (min^-1)	(approx.) (kg)
140KBE52X+L	140	250	153	125.5	1160000	1670000				ISO NORMAL CLASS	1100	1500	29

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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

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NSK Product Type2	TRBSR_DR
NSK Product Type	Bearing
Designations	140KBE52X+L