FAG K643-633
Tapered roller bearings K-Series, in inch sizes, separable, adjusted or in pairs
(BRAND)：FAG
(Availability)：In Stock
Main Dimensions & Performance Data
d
69.85 mm
Bore diameter
D
130.175 mm
Outside diameter
B
41.275 mm
Width, inner ring
C
31.75 mm
Width, outer ring
T
41.275 mm
Width, total
Cr
184,000 N
Basic dynamic load rating, radial
C0r
243,000 N
Basic static load rating, radial
Cur
31,000 N
Fatigue load limit, radial
CG
5,400 1/min
Limiting speed
nϑr
4,350 1/min
Thermal speed rating
≈m
2.259 kg
Weight
Mounting dimensions
da max
80 mm
Maximum diameter of shaft shoulder
db min
86 mm
Minimum diameter of shaft shoulder
Da min
118 mm
Minimum diameter of housing shoulder
Db min
125 mm
Minimum diameter of housing shoulder
Ca min
5 mm
Minimum axial space
Cb min
8.5 mm
Minimum axial space
ra max
3.6 mm
Maximum fillet radius of shaft
rb max
3.3 mm
Maximum fillet radius of housing
