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Yoke Type Track Roller Bearings

NATR
NATV
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Shaft Designation Mass Designation Mass Dimensions Basic Load Ratings Limiting
Diameter D B C d1 r   Cr o  Cor Speed
Dynamic Static grease
mm g g min. kN kN rpm
5 NATR  5 14 NATR  5PP 14 5 16 12 11 12 0.15 2.8 2.5 14000
NATV  5 15 NATV  5PP 15 5 16 12 11 12 0.15 7.0 8.6 3800
6 NATR  6 20 NATR  6PP 20 6 19 12 11 14 0.15 3.2 3.3 11000
NATV  6 21 NATV  6PP 21 6 19 12 11 14 0.15 7.9 10.7 3100
8 NATR  8 41 NATR  8PP 41 8 24 15 14 19 0.3 4.8 4.8 7500
   NATV  8 42 NATV  8PP 42 8 24 15 14 19 0.3 10.2 12.9 2500
10 NATR 10 64 NATR 10PP 64 10 30 15 14 23 0.6 6.9 7.0 5500
NATV 10 65 NATV 10PP 65 10 30 15 14 23 0.6 12.5 15.3 2100
12 NATR 12 71 NATR 12PP 71 12 32 15 14 25 0.6 6.9 7.1 4500
NATV 12 72 NATV 12PP 72 12 32 15 14 25 0.6 13.3 17.0 1800
15 NATR 15 103 NATR 15PP 103 15 35 19 18 27 0.6 10.3 14.8 3600
NATV 15 105 NATV 15PP 105 15 35 19 18 27 0.6 19.6 34.7 1600
17 NATR 17 144 NATR 17PP 144 17 40 21 20 32 1.0 18.2 21.9 2900
NATV 17 152 NATV 17PP 152 17 40 21 20 32 1.0 31.5 45.3 1400
20 NATR 20 246 NATR 20PP 246 20 47 25 24 37 1.0 22.4 29.9 2400
   NATV 20 254 NATV 20PP 254 20 47 25 24 37 1.0 37.7 59.1 1300
25 NATR 25 275 NATR 25PP 275 25 52 25 24 42 1.0 24.0 34.2 1800
NATV 25 285 NATV 25PP 285 25 52 25 24 42 1.0 43.0 73.6 1000
30 NATR 30 470 NATR 30PP 470 30 62 29 28 51 1.0 32.9 50.3 1300
NATV 30 481 NATV 30PP 481 30 62 29 28 51 1.0 57.1 104.0 850
35 NATR 35 635 NATR 35PP 635 35 72 29 28 58 1.1 34.4 55.8 1000
NATV 35 647 NATV 35PP 647 35 72 29 28 58 1.1 59.3 114.5 750
40 NATR 40 805 NATR 40PP 805 40 80 32 30 66 1.1 38.5 66.6 850
NATV 40 890 NATV 40PP 890 40 80 32 30 66 1.1 70.8 149.1 650
45 NATR 45 910 NATR 45PP 910 45 85 32 30 72 1.1 42.6 77.8 750
NATV 45 935 NATV 45PP 935 45 85 32 30 72 1.1 74.5 164.4
50 NATR 50 960 NATR 50PP 960 50 90 32 30 76 1.1 44.3 85.1 650
   NATV 50 990 NATV 50PP 990 50 90 32 30 76 1.1 78.0 179.8 550
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2.SеAArڬFS̖YX磺NATR5XNATR5PPX
3.͝rODٞДֵ30%ܷr
Note:
1.These load, speed and mass is reference of choice only.  
2.For cylindrical outer race, add the suffix "X", e.g. NATR5X or NATR5PPX.
3.With an effective oil supply, the limiting speed can be increased by about 30%, except for sealed  
  roller followers.

 

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