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558/553X

Inch Design Tapered Roller Bearings

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Parts Number		Qty
558/553X Inch Series Tapered Roller Bearings		Qty	Add to Compare You can use this service by registering as a member.

Product Information

Display units Metric Imperial

Parts Number

558/553X

Boundary Dimensions

d	60.325	mm	Bore diameter
D	122.238	mm	Outside diameter
T	38.1	mm	Total width
B	36.678	mm	Width of inner ring
C	30.162	mm	Width of outer ring
Cup r (min.)	3.3	mm	Chamfer dimension of outer ring (Cup)
Cone r (min.)	2.3	mm	Chamfer dimension of inner ring (Cone)

Basic Load Ratings

C_r	198000	N	Basic dynamic load rating
C_0r	221000	N	Basic static load rating

Speeds

Grease	3000	min^-1	Grease lubrication
Oil (Oil-bath)	4000	min^-1	Oil-bath lubrication

Dimensions

a

28.8

mm

Effective load center

Abutment and Fillet Dimensions

da	73	mm	Diameter of shaft abutment
Da	108	mm	Diameter of housing abutment
db	69	mm	Diameter of shaft abutment
Db	115	mm	Diameter of housing abutment
ra (max.)	2.3	mm	Radius of shaft or housing fillet of inner ring
ra (max.)	3.3	mm	Radius of shaft or housing fillet of outer ring

Calculation factors

e	0.35		Constant
Y0	0.95		Axial load Factors
Y1	1.7		Axial load Factors

Mass

CONE (approx.)	1.33	kg
CUP (approx.)	0.692	kg

Properties

Cage	( ): Pressed steel cage
Tolerance	ISO NORMAL CLASS

CAD

Customer Questions

More Information

More Information
NSK Product Type2	TRBSR_ID
NSK Product Type	Bearing
Designations	558/553X

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