Compliance with standard
JIS
Purpose specific
For material handling applications
Material, housing
Cast iron
Sealing, bearing
Seal and flinger on both sides
Sealing type, bearing
Contact, standard
Sealing, unit
Without
Coating
Without
Dimensions
d
20 mm
Bore diameter
d1
≈28.7 mm
Shoulder diameter of inner ring
A
34 mm
Base width
A1
23 mm
Top width
B
31 mm
Width of inner ring
B4
5 mm
Distance from locking device side face to thread centre
H
33.3 mm
Height of spherical seat centre
H1
13.5 mm
Foot height
H2
64.5 mm
Overall height
J
95 mm
Distance between attachment bolts
J
max.100 mm
Maximum distance between attachment bolts
J
min.90 mm
Minimum distance between attachment bolts
L
127 mm
Overall length
N
13 mm
Diameter of attachment bolt hole
N1
18 mm
Length of attachment bolt hole
s1
18.3 mm
Distance from locking device side face to raceway centre
Threaded hole
RG
1/4-28 UNF
Housing thread for the grease fitting
R1
2 mm
Axial position of the housing thread
Rα
45 °
Angular position of the housing thread
Grease fitting
DN
6.6 mm
Diameter of head sphere of grease fitting
SWN
7.94 mm
Hexagonal key size for the grease fitting
GN
1/4-28 UNF
Thread of grease fitting
Calculation data
Basic dynamic load rating
C
12.7 kN
Basic static load rating
C0
6.7 kN
Fatigue load limit
Pu
0.285 kN
Limiting speed
 
6 500 r/min
 
 
Limiting speed with shaft tolerance h6
Mounting information
Set screw
G2
M6x1
Hexagonal key size for set screw
 
3.05 mm
Recommended tightening torque for set screw
 
4 N·m
Recommended diameter for attachment bolts, mm
G
10 mm
Recommended diameter for attachment bolts, inch
G
0.375 in