NSK NF344M
Single-Row Cylindrical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Designations
NF344M
Boundary Dimensions
d
220
mm
Bore diameter
D
460
mm
Outside diameter
B
88
mm
Width
EW
396
mm
Raceway diameter of outer ring
r (min.)
5
mm
Chamfer dimension
r1 (min.)
5
mm
Chamfer dimension
Basic Load Ratings
Cr
1470000
N
Basic dynamic load rating
C0r
1570000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
1400
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Grease
1200
min-1
Grease lubrication
Oil (Oil-bath)
1500
min-1
Oil-bath lubrication
da (min.)
240
mm
Diameter of shaft abutment
Db (min.)
403
mm
Diameter of housing abutment
Da (max.)
440
mm
Diameter of housing abutment
Db (max.)
440
mm
Diameter of housing abutment
ra (max.)
4
mm
Radius of shaft or housing fillet
rb (max.)
4
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
Mass approx.
75
kg
Mass approx.
