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7940CSN24

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7940CSN24TRSUELP5 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7940CSN24TRSUELP5

Boundary Dimensions

d 200 mm Bore diameter
D 280 mm Outside diameter
B 38 mm Width
r(min.) 2.1 mm Chamfer Dimension
r1(min.) 1.1 mm Chamfer Dimension

Basic Load Ratings

Cr 239 kN Basic Dynamic Load Rating
C0r 234 kN Basic Static Load Rating

Speeds

Grease 5900 min-1 Limiting Speed
Oil (Oil-air) 9100 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 51.2 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 212 mm Diameter of Shaft Abutment
Da(max.) 268 mm Diameter of Housing Abutment
Db(max.) 273 mm Diameter of Housing Abutment
ra(max.) 2 mm Radius of Shaft or Housing Fillet
rb(max.) 1 mm Radius of Shaft or Housing Fillet

Performance

Pa 171 kN Permissible Axial Load

Calculation factors

f0 16.5 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 867N 211N/μm -16μm
L 1794N 284N/μm -31μm
M 4138N 411N/μm -58μm
H 8330N 577N/μm -92μm

Additional information

35 g/brg Recommended Grease Quantities

Mass

5.07 kg Mass(approx.)
Designations Basic Load Ratings Axial Internal Clearance Accuracy Limiting Speeds Mass
Cr
 C0r
 min
 max
 Grease
(min-1)		 Oil (Oil-air)
(min-1)
(kg)
7940CSN24TRSUELP5 239 234 P5: ISO Class 5 5900 9100 5.07

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7940CSN24

© NSK Ltd.

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