SKF group was founded in 1907 and had more than 105 years history. SKF... 
FAG brand was founded in 1883 and has about 130 years history. This br... 
NSK was founded in 1916 in Japan and concentrate on bearings design, m... 
XR678052 Cross Roller Bearing
Model NO.:XR678052
Rolling Body:Ball Bearings
The Number of Rows:Single
Outer Dimension:Extra Large (440mm)
Material:Bearing Steel
Spherical:Non-Aligning Bearings
Load Direction:Radial Bearing
Separated:Unseparated
Size:330.2*457.2*63.5mm
Weight: 35.30(kg)
d
D
T
R
radial
Thrust
coefficient
K
XR496051
203.2
279.4
31.75
1.5
51300
61600
0.48
JXR637050
300
400
37
1.5
63000
80100
0.45
JXR652050
310
425
45
2.5
82200
102000
0.46
XR678052
330.2
457.2
63.5
3.3
100000
123000
0.47
JXR699050
370
495
50
3
93600
119000
0.45
XR766051
457.2
609.6
63.5
3.3
141000
178000
0.45
XR820060
580
760
80
6.4
240000
299000
0.46
XR855053
685.8
914.4
79.375
3.3
270000
344000
0.45
XR882055
901.7
1117.6
82.55
3.3
300000
396000
0.44
XR889058
1028.7
1327.15
114.3
3.3
405000
534000
0.44
XR897051
1549.4
1828.8
101.6
3.3
518000
699000
0.43
Standard and Optional*Optional accessories need buy separately.
