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7209CSN24

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7209CSN24TRSULP4 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7209CSN24TRSULP4

Boundary Dimensions

d 45 mm Bore diameter
D 85 mm Outside diameter
B 19 mm Width
r(min.) 1.1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Cr 51.5 kN Basic Dynamic Load Rating
C0r 27.8 kN Basic Static Load Rating

Speeds

Grease 23100 min-1 Limiting Speed
Oil (Oil-air) 35100 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 18.2 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 52 mm Diameter of Shaft Abutment
Da(max.) 78 mm Diameter of Housing Abutment
Db(max.) 80 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 23.3 kN Permissible Axial Load

Calculation factors

f0 14.2 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 132N 56N/μm -7μm
L 283N 77N/μm -16μm
M 608N 109N/μm -30μm
H 1230N 154N/μm -49μm

Additional information

2.5 g/brg Recommended Grease Quantities

Mass

0.341 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)
7209CSN24TRSULP4 51.5 27.8 P4: ISO Class 4 23100 35100 0.341

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7209CSN24

© NSK Ltd.

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