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7226C

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7226CTRSUELP3 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7226CTRSUELP3

Boundary Dimensions

d 130 mm Bore diameter
D 230 mm Outside diameter
B 40 mm Width
r(min.) 3 mm Chamfer Dimension
r1(min.) 1.1 mm Chamfer Dimension

Basic Load Ratings

Cr 260 kN Basic Dynamic Load Rating
C0r 209 kN Basic Static Load Rating

Speeds

Grease 6400 min-1 Limiting Speed
Oil (Oil-air) 9800 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 44.1 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 144 mm Diameter of Shaft Abutment
Da(max.) 216 mm Diameter of Housing Abutment
Db(max.) 223 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 144 kN Permissible Axial Load

Calculation factors

f0 14.9 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 749N 136N/μm -20μm
L 1506N 182N/μm -39μm
M 3386N 261N/μm -73μm
H 6740N 364N/μm -116μm

Additional information

32 g/brg Recommended Grease Quantities

Mass

6.23 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)
7226CTRSUELP3 260 209 P3: Special class (ISO Class 4 dimensional tolerances and ISO Class 2 running accuracy.) 6400 9800 6.23

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7226C

© NSK Ltd.

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