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1321

Self-Aligning Ball Bearings
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Images shown are representations. Designs and specifications may differ from actual products.
Parts Number
1321 Self-Aligning Ball Bearings
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Display units

Parts Number

1321

Boundary Dimensions

d 105 mm Bore diameter
D 225 mm Outside diameter
B 49 mm Width
r (min.) 3 mm Chamfer dimension

Basic Load Ratings

Cr 169000 N Basic dynamic load rating
C0r 64500 N Basic static load rating

Speeds

Grease 2600 min-1 Grease lubrication
Oil (Oil-bath) 3200 min-1 Oil-bath lubrication

Dimensions

3

Abutment and Fillet Dimensions

da (min.) 118 mm Diameter of shaft abutment
Da (max.) 212 mm Diameter of housing abutment
ra (max.) 2.5 mm Radius of shaft or housing fillet

Calculation factors

e 0.23 Constant
Y2 4.2 Axial load Factors
Y3 2.7 Axial load Factors
Y0 2.9 Axial load Factors

Mass

(approx.) 10 kg
Designations Boundary Dimensions Basic Load Ratings Radial Internal Clearance Tolerance Class Limiting Speeds Mass
d
(mm)		 D
(mm)		 B
(mm)		 Cr
(N)		 C0r
(N)		 min
 max
 Grease
(min-1)		 Oil (Oil-bath)
(min-1)		 (approx.)
(kg)
1321 105 225 49 169000 64500 ISO NORMAL CLASS 2600 3200 10

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Not to scale.
(*) The chamfer dimensions are minimum values.
Suffix K represents bearings with tapered bores (taper 1:12).

CAD
More Information
NSK Product Type2 SABB_SA
NSK Product Type Bearing
Designations 1321

© NSK Ltd.

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