XR766051 Crossed Taper Roller Bearing|NC Lathe Bearing|457.2*609.6*63.5mm
The XR766051 bearing is a crossed taper roller bearings with an inner diameter of 457.2 mm , an outer diameter of 609.6 mm, a width of 63.5 mm. It typically uses P2/P4/P5 grade precision tolerances and no seals type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
XR766051 Crossed taper roller bearing|NC lathe bearing|457.2*609.6*63.5mm
XR766051 Crossed taper roller bearing contains two sets of races and rollers brought together at high angles with alternate rollers facing in opposite directions. The height of cross section is similar to singlerow bearing for conserving space and saving bearing housing material. And the steepangle, tapered geometry results in a total effective bearing spread much greater than the width of the bearing itself. XR766051 is able to withstand high overturning moments, and is optimal for machine tools, including vertical boring, grinding machines, precision circular dividing table, gear hobbing machine, turret and industrial robots.
|
Bearing Type |
Main dimensions (mm) |
Basic dynamic load rating |
Speed Limited Oil |
Weight (Kg) |
||||
|
Inner ring d |
Outer ring D |
Width T |
Chamfer r(min) |
Radial KN |
Axial KN |
|||
|
XR496051 |
203.2 |
279.4 |
31.75 |
1.5 |
41 |
49.2 |
800 |
6.5 |
|
XR678052 |
330.2 |
457.2 |
63.5 |
3 |
80 |
98.4 |
620 |
35 |
|
XR766051 |
457.2 |
609.6 |
63.5 |
3 |
106 |
133 |
520 |
51 |
|
XR820060 |
580 |
760 |
80 |
5 |
106 |
209 |
300 |
100 |
|
XR855053 |
685.8 |
914.4 |
79.375 |
3 |
180 |
224 |
260 |
150 |
|
XR882055 |
901.7 |
1117.6 |
82.55 |
3 |
225 |
297 |
200 |
185 |
|
XR889058 |
1028.7 |
1327.15 |
114.3 |
3 |
283 |
374 |
160 |
400 |
|
XR897051 |
1549.4 |
1828.8 |
101.6 |
3 |
326 |
489 |
80 |
500 |
|
JXR637050 |
300 |
400 |
37 |
1.5 |
47.2 |
60 |
720 |
13 |
|
JXR652050 |
310 |
425 |
45 |
2.5 |
61.6 |
76.5 |
640 |
20 |
|
JXR699050 |
370 |
495 |
50 |
3 |
70.2 |
89.2 |
600 |
30 |
Design Features of XR766051 cross roller bearings
l The line contact of races and rollers can offer high rotation accuracy, high stability and high rigidity.
l The adjustment design of proload extend the bearing using life , increase the rigidity and reach the smallest runout.
l The nylon spacers has low inertia and small running torque.
l High rotation accuracy and high rigidity , and conserving material costs.l The steep-angle, tapered geometry results in a total effective bearing spread much greater than the width of the bearing itself.
1. characters : high rotation accuracy / high precision / easy to handle
2.standard / stock / wholesale
3.different models of this type:
XR496051.XR678052 . XR766051. XR820060. XR855053. XR882055. XR889058. XR897051.JXR637050. JXR65250. JXR699050 .etc
XR bearings(XR766051) are ideal for the table bearing of machine tools, including vertical boring and grinding machines.XR766051 are uniquely suited to many pivot and pedestal applications where space is limited or the lowest possible center of gravity of a rotating mass is required.
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