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7210A5

Standard Series High Precision Angular Contact Ball Bearings

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Parts Number
7210A5TRSUELP5 Standard Series High Precision Angular Contact Ball Bearings			Add to Compare You can use this service by registering as a member.

Product Information

Parts Number

7210A5TRSUELP5

Boundary Dimensions

d	50	mm	Bore diameter
D	90	mm	Outside diameter
B	20	mm	Width
r(min.)	1.1	mm	Chamfer Dimension
r1(min.)	0.6	mm	Chamfer Dimension

Basic Load Ratings

C_r	51.5	kN	Basic Dynamic Load Rating
C_0r	30.5	kN	Basic Static Load Rating

Speeds

Grease	14300	min^-1	Limiting Speed
Oil (Oil-air)	21500	min^-1	Limiting Speed

Dimensions

	A5: 25°		Contact Angle
a	26.3	mm	Effective Load Center

Abutment and Fillet Dimensions

da(min.)	57	mm	Diameter of Shaft Abutment
Da(max.)	83	mm	Diameter of Housing Abutment
Db(max.)	85	mm	Diameter of Housing Abutment
ra(max.)	1	mm	Radius of Shaft or Housing Fillet
rb(max.)	0.6	mm	Radius of Shaft or Housing Fillet

Performance

Pa

25.2

kN

Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

	Preload	Axial Rigidity	Measured axial clearance
EL	208N	130N/μm	-6μm
L	391N	164N/μm	-11μm
M	989N	233N/μm	-23μm
H	1934N	306N/μm	-37μm

Additional information

2.8

g/brg

Recommended Grease Quantities

Mass

0.453

kg

Mass(approx.)

Drawing for Reference

Designations	Basic Load Ratings		Axial Internal Clearance			Accuracy	Limiting Speeds		Mass
Designations	C_r	C_0r		min	max	Accuracy	Grease (min^-1)	Oil (Oil-air) (min^-1)	(kg)
7210A5TRSUELP5	51.5	30.5				P5: ISO Class 5	14300	21500	0.453

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CAD

Customer Questions

More Information

More Information
NSK Product Type2	SP_ACBB_ST_A5
NSK Product Type	Super Precision Bearing
Designations	7210A5

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