NSK 1221
Self-Aligning Ball Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
1221
Boundary Dimensions
d
105
mm
Bore diameter
D
190
mm
Outside diameter
B
36
mm
Width
r (min.)
2.1
mm
Chamfer dimension
Basic Load Ratings
Cr
82500
N
Basic dynamic load rating
C0r
32500
N
Basic static load rating
Speeds
Grease
3000
min-1
Grease lubrication
Oil (Oil-bath)
3600
min-1
Oil-bath lubrication
da (min.)
116
mm
Diameter of shaft abutment
Da (max.)
179
mm
Diameter of housing abutment
ra (max.)
2
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
e
0.18
Constant
Y2
5.5
Axial load Factors
Y3
3.6
Axial load Factors
Y0
3.7
Axial load Factors
