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912-309 Crossed taper roller bearings-XR-JXR

912-309 Crossed Taper Roller Bearings-XR-JXR

Min. Order:
1 Piece
Payment term:
TT/LC
Delivery time:
50
Technical Parameters:
Product Designations:
912-309
Structure:
Crossed taper roller bearings
Inside Diameter:
370 mm
Outside Diameter:
495 mm
Thickness:
50 mm
Brand:
BRSZC
Precision Rating:
ISO P5/P6
912-309 Crossed Taper Roller Bearings-XR-JXR

912-309 Crossed taper roller bearings, Machine tools slewing ring, high precision turntable bearings, running accuracy 0.005mm, ISO P4 20YEARS MANUFACTURE CHINA

Precision crossed roller bearings (RIGIA) are designed to offer the highest levels of rotational accuracy and rigidity while conserving space and saving material costs. The bearing features two sets of races and rollers brought together at right angles with alternate rollers facing in opposite directions. This allows two half-rows of rollers to fit into the space of one. The steep-angle, tapered geometry results in a total effective bearing spread much greater than the width of the bearing itself.
Able to withstand high overturning moments, the crossed roller bearing is ideal for the table bearing of machine tools, including vertical boring and grinding machines. It is uniquely suited to many other pivot and pedestal applications where space is limited or the lowest possible center of gravity of a rotating mass is required.

For more detailed information, you could check the catalogue of “Crossed Roller Bearing” or contact RIGIA-BRS Bearing.

 

 

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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