LM72849/LM72810

Inch Design Tapered Roller Bearings

LM72849/LM72810

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

Parts Number
LM72849R/LM72810R

Display units Metric Imperial

LM72849R/LM72810R

d	22.606	mm	Bore diameter
D	47	mm	Outside diameter
T	15.5	mm	Total width
B	15.5	mm	Width of inner ring
C	12	mm	Width of outer ring
Cup r (min.)	1	mm	Chamfer dimension of outer ring (Cup)
Cone r (min.)	1.5	mm	Chamfer dimension of inner ring (Cone)

Cr	32500	N	Basic dynamic load rating
C0r	30000	N	Basic static load rating

Grease	8000	min-1	Grease lubrication
Oil (Oil-bath)	11000	min-1	Oil-bath lubrication

12.2

Effective load center

da	29	mm	Diameter of shaft abutment
Da	40.5	mm	Diameter of housing abutment
db	27	mm	Diameter of shaft abutment
Db	44.5	mm	Diameter of housing abutment
ra (max.)	1.5	mm	Radius of shaft or housing fillet of inner ring
ra (max.)	1	mm	Radius of shaft or housing fillet of outer ring

Mass approx.	0.086	kg	Mass approx.(Cone)
Mass approx.	0.046	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