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> Timken XR/JXR/PSL 912 Cross Taper Roller Bearings 
Crossed taper roller bearings-timken-PSL-XR-JXR
- Part No. XR496051 JXR637050 JXR652050 PSL 912-309
- Application: Rotary table, Industry Robot, Special Machines
- Size: 200mm-1500mm
- Features:high overturning moment granding machines special
- Product description: crossed taper roller bearings-timken-PSL-XR-JXR, suited for High speed worktable, Vertical boring mills,Vertical grinding machines spindles and Other machine tools
Product introduction
Cross tapered roller bearing is a variation of cross cylindrical roller bearing. During working, its tapered rolling elements do pure rolling movement without relative sliding, hence the limit speed of this kind of bearing is far higher than that of cross cylindrical roller bearing, while the friction moment is lower.
BRS Cross tapered roller bearing features:
1. High precision (P4)
2. High rigidity (XR & JXR series cross tapered roller bearing is with preload)
3. High loading capacity. Take radia, axial & tilting loads.
4. Higher limit speed compared to cross cylindrical roller bearing
5. Lower friction moment compared with cross cylindrical roller bearing
Applications: High speed worktable, Vertical boring mills,Vertical grinding machines spindles and Other machine tools
RIGIA/TIMKEN
Main
Dimension mm (in)
Compare No.
Inner D
Outer
D
Hight
PSL
d
D
H
XR496051
203.200
279.400
31.750
8.0000
11.0000
1.2500
JXR637050
300.000
400.000
37.000
11.8110
15.7480
1.4567
JXR652050
310.000
425.000
45.000
12.2047
16.7323
1.7717
XR678052
330.200
457.200
63.500
PSL 912-309
13.0000
18.0000
2.5000
JXR699050
370.000
495.000
50.000
14.5669
19.4882
1.9685
XR766051
457.200
609.600
63.500
PSL 912-308
18.0000
24.0000
2.5000
XR820060
580.000
760.000
80.000
PSL 912-304
22.8346
29.9213
3.1496
XR855053
685.800
914.400
79.375
PSL 912-305
27.0000
36.0000
3.1250
XR882055
901.700
1117.600
82.550
PSL 912-306
35.5000
44.0000
3.2500
XR889058
1028.700
1327.150
114.300
PSL 912-307
40.5000
52.2500
4.5000
XR897051
1549.400
1828.800
101.600
61.0000
72.0000
4.0000
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