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7048A

Standard Series High Precision Angular Contact Ball Bearings

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Parts Number
7048ASUELP4 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

7048ASUELP4

Boundary Dimensions

d	240	mm	Bore diameter
D	360	mm	Outside diameter
B	56	mm	Width
r(min.)	3	mm	Chamfer Dimension
r1(min.)	1.1	mm	Chamfer Dimension

Basic Load Ratings

C_r	380	kN	Basic Dynamic Load Rating
C_0r	430	kN	Basic Static Load Rating

Speeds

Grease	2200	min^-1	Limiting Speed
Oil (Oil-air)	3000	min^-1	Limiting Speed

Dimensions

	A: 30°		Contact Angle
a	114.6	mm	Effective Load Center

Abutment and Fillet Dimensions

da(min.)	254	mm	Diameter of Shaft Abutment
Da(max.)	346	mm	Diameter of Housing Abutment
Db(max.)	353	mm	Diameter of Housing Abutment
ra(max.)	2.5	mm	Radius of Shaft or Housing Fillet
rb(max.)	1	mm	Radius of Shaft or Housing Fillet

Performance

Pa

265

kN

Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

	Preload	Axial Rigidity	Measured axial clearance
EL	1584N	653N/μm	-11μm
L	7755N	1141N/μm	-38μm
M	20305N	1631N/μm	-74μm
H	31460N	1934N/μm	-99μm

Additional information

96

g/brg

Recommended Grease Quantities

Mass

19.0

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)
7048ASUELP4	380	430				P4: ISO Class 4	2200	3000	19.0

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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	7048A

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