580/572

Inch Design Tapered Roller Bearings

580/572

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Parts Number
580/572

Display units Metric Imperial

580/572

d	82.55	mm	Bore diameter
D	139.992	mm	Outside diameter
T	36.512	mm	Total width
B	36.098	mm	Width of inner ring
C	28.575	mm	Width of outer ring
Cup r (min.)	3.3	mm	Chamfer dimension of outer ring (Cup)
Cone r (min.)	3.5	mm	Chamfer dimension of inner ring (Cone)

Cr	215000	N	Basic dynamic load rating
C0r	260000	N	Basic static load rating

Grease	2600	min-1	Grease lubrication
Oil (Oil-bath)	3400	min-1	Oil-bath lubrication

31.1

Effective load center

da	98	mm	Diameter of shaft abutment
Da	125	mm	Diameter of housing abutment
db	91	mm	Diameter of shaft abutment
Db	133	mm	Diameter of housing abutment
ra (max.)	3.5	mm	Radius of shaft or housing fillet of inner ring
ra (max.)	3.3	mm	Radius of shaft or housing fillet of outer ring

Mass approx.	1.39	kg	Mass approx.(Cone)
Mass approx.	0.788	kg	Mass approx.(Cup)

CAD

Customer Questions

How are angular contact ball bearings (ACBBs) different from tapered roller bearings (TRBs)?

TRBs provide higher load capacity and rigidity than ACBBs. However, ACBBs can offer rotation at higher speeds than TRBs.

More Information
NSK Product Type2	TRBSR_ID
NSK Product Type	Bearing