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Linear motion rolling bearing
      Promulgator :LX      Time:2019-04-18

1. Features of linear motion rolling support:
(1) The linear motion rolling bearing is made of GCr15 bearing steel and consists of a hardened high-precision support base and rolling elements. It is installed on the machine guide rail and other mechanical surfaces for reciprocating linear motion. It is suitable for grinding machines, precision instruments, and also for CNC machine tools and heavy-duty machine tools.
(2) The support has the advantages of large carrying capacity, low friction, small wear, good rigidity, long service life, and high precision for a long time. In the case of repeated action, start and stop reciprocating motion, the weight of the whole machine and the transmission mechanism and power consumption can be reduced.
(3) The rolling bodies of the support are guided well when rolling, so that the motion precision and the positioning accuracy of the machine can be improved.
(4) The bearing has good control performance when performing low-speed reciprocating or fine adjustment, and the movement is light and does not cause creep.
(5) When the bearing is used, it is not limited by the machine bed. The number of rolling bearings can be selected and determined according to the load values specified by the different series and different types of bearings in the sample.
(6) After the support, the positioning accuracy of the machine tool is high, the equipment assembly adjustment is convenient, the lubrication is easy, the maintenance is simple, and the use is safer and more reliable.
2. Recirculating needle roller guide support (LNS0000RN type)

Bearing Type Dimensions(mm) Dynamic load rating(kN)
  B L B1 A T L1 h J J1 N  
LNS 1540RN 15 40 30 11 15 20 7 23 12 3.3 10.8
LNS 2050RN 20 50 36 12 16 30 8 29 18 3.8 19.1
LNS 2560RN 25 60 45 14 19 35 9 36 20 4.8 28.3
LNS 3270RN 32 70 55 15 20 45 10 44 27 5.5 45
LNS 4087RN 40 87 68 21 28 55 14 54 35 6.5 69.5
LNS 50125RN 50 125 82 30 40 78 20 66 50 8.5 120


3.Recirculating needle roller guide support (LNS0000GRNUK type)

Bearing Type Dimensions(mm) Dynamic load rating(kN)
  A B L J J1 (D) N h  
LNS 3052 GRNUK 16.5 30 52 23 12 M4 3.6 11 15.1
LNS 3662 GRNUK 17.5 36 62 29 18 M4 4.8 12 26
LNS 4575 GRNUK 20.5 45 75 36 20 M5 5.8 14 40.3
LNS 5585 GRNUK 21.5 55 85 44 27 M5 5.8 15 52.4
LNS 6094 GRNUK 25 60 94 49 30 M5 5.8 17.5 76
LNS 68105 GRNUK 30 68 105 54 35 M8 7 21 84.1
LNS 75120 GRNUK 35 75 120 60 38 M8 8 25 124
LNS 52145 GRNUK 42 82 145 66 40 M8 9 30 149


 
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