48290/48220

Inch Design Tapered Roller Bearings

48290/48220

Images shown are representations. Designs and specifications may differ from actual products.

Parts Number
48290/48220

Display units Metric Imperial

48290/48220

d	127	mm	Bore diameter
D	182.562	mm	Outside diameter
T	39.688	mm	Total width
B	38.1	mm	Width of inner ring
C	33.338	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	280000	N	Basic dynamic load rating
C0r	445000	N	Basic static load rating

Grease	1800	min-1	Grease lubrication
Oil (Oil-bath)	2400	min-1	Oil-bath lubrication

34.2

Effective load center

da	141	mm	Diameter of shaft abutment
Da	168	mm	Diameter of housing abutment
db	135	mm	Diameter of shaft abutment
Db	176	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.	2.19	kg	Mass approx.(Cone)
Mass approx.	1.14	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