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2304K

Self-Aligning Ball Bearings
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Images shown are representations. Designs and specifications may differ from actual products.
Parts Number Qty
2304K Self-Aligning Ball Bearings
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Parts Number

2304K

Boundary Dimensions

d 20 mm Bore diameter
D 52 mm Outside diameter
B 21 mm Width
r (min.) 1.1 mm Chamfer dimension

Basic Load Ratings

Cr 20300 N Basic dynamic load rating
C0r 4700 N Basic static load rating

Speeds

Grease 11000 min-1 Grease lubrication
Oil (Oil-bath) 14000 min-1 Oil-bath lubrication

Abutment and Fillet Dimensions

da (min.) 26.5 mm Diameter of shaft abutment
Da (max.) 45.5 mm Diameter of housing abutment
ra (max.) 1 mm Radius of shaft or housing fillet

Calculation factors

e 0.5 Constant
Y2 1.9 Axial load Factors
Y3 1.2 Axial load Factors
Y0 1.3 Axial load Factors

Mass

(approx.) 0.193 kg

Associated products

Adapter H2304X Adapter

Properties

Design K: Tapered bore
Cage ( ): Pressed steel cage
Radial Internal Clearance CN
Tolerance ISO NORMAL CLASS
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)
2304K 20 52 21 20300 4700 ISO NORMAL CLASS 11000 14000 0.193

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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 2304K

© NSK Ltd.

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