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7052A

Standard Series High Precision Angular Contact Ball Bearings

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Parts Number
7052ASUMP5 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

7052ASUMP5

Boundary Dimensions

d	260	mm	Bore diameter
D	400	mm	Outside diameter
B	65	mm	Width
r(min.)	4	mm	Chamfer Dimension
r1(min.)	1.5	mm	Chamfer Dimension

Basic Load Ratings

C_r	435	kN	Basic Dynamic Load Rating
C_0r	525	kN	Basic Static Load Rating

Speeds

Grease	2000	min^-1	Limiting Speed
Oil (Oil-air)	2800	min^-1	Limiting Speed

Dimensions

	A: 30°		Contact Angle
a	127.8	mm	Effective Load Center

Abutment and Fillet Dimensions

da(min.)	278	mm	Diameter of Shaft Abutment
Da(max.)	382	mm	Diameter of Housing Abutment
Db(max.)	391	mm	Diameter of Housing Abutment
ra(max.)	3	mm	Radius of Shaft or Housing Fillet
rb(max.)	1.5	mm	Radius of Shaft or Housing Fillet

Performance

Pa

325

kN

Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

	Preload	Axial Rigidity
EL	1834N	693N/μm
L	9135N	1217N/μm
M	24886N	1765N/μm
H	38387N	2089N/μm

Additional information

142

g/brg

Recommended Grease Quantities

Mass

29.0

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)
7052ASUMP5	435	525				P5: ISO Class 5	2000	2800	29.0

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CAD

Customer Questions

More Information

More Information
NSK Product Type2	SP_ACBB_ST_A
NSK Product Type	Super Precision Bearing
Designations	7052A

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