Toggle Nav
Search
Advanced Search
Menu
Account
Settings
  • Sign In >

7904A5

Standard Series High Precision Angular Contact Ball Bearings
main product photo
Parts Number
7904A5TRSULP4 Standard Series High Precision Angular Contact Ball Bearings
Add to Compare
You can use this service by registering as a member.
Add to Compare
You can use this service by registering as a member.
Tap the image to enlarge it.

Parts Number

7904A5TRSULP4

Boundary Dimensions

d 20 mm Bore diameter
D 37 mm Outside diameter
B 9 mm Width
r(min.) 0.3 mm Chamfer Dimension
r1(min.) 0.15 mm Chamfer Dimension

Basic Load Ratings

Cr 6.95 kN Basic Dynamic Load Rating
C0r 4.05 kN Basic Static Load Rating

Speeds

Grease 35100 min-1 Limiting Speed
Oil (Oil-air) 52700 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 11.1 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 22.5 mm Diameter of Shaft Abutment
Da(max.) 34.5 mm Diameter of Housing Abutment
Db(max.) 35.8 mm Diameter of Housing Abutment
ra(max.) 0.3 mm Radius of Shaft or Housing Fillet
rb(max.) 0.15 mm Radius of Shaft or Housing Fillet

Performance

Pa 3.55 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 25N 43N/μm 0μm
L 63N 60N/μm -3μm
M 114N 75N/μm -6μm
H 247N 102N/μm -12μm

Additional information

0.21 g/brg Recommended Grease Quantities

Mass

0.037 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7904A5

© NSK Ltd.

Back to top
Copyright © 2013-present Magento, Inc. All rights reserved.