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Combined Needle Roller And Thrust Ball Bearings

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Shaft Designation Mass Dimensions Basic Load Ratings Limiting Mounting Dimensions Designation
Diameter ͝ ֬ Fw D C C1 dw r Radial S Axial Speed C2 D1 da ra Lnner Ring
Oil Grease Cr o Cor Cr o Cor
Lubrication Lubrication Dynamic Static Dynamic Static
mm g 0.25 E8 min. kN kN kN kN rpm -0.5 max. dFB
7 NX 7TN NX 7ZTN 14 7 14 18 4.7 7 0.3 3.48 3.32 3.40 4.58 15000 10.0 16.5 9.6 0.3
10 NX 10 NX 10Z 25 10 19 18 4.7 10 0.3 5.10 4.90 5.40 5.60 11000 10.0 21.9 14.6 0.3 IR 61010
12 NX 12 NX 12Z 28 12 21 18 4.7 12 0.3 4.80 6.10 5.70 6.90 9500 10.0 23.7 16.6 0.3 IR 81210
15 NX 15 NX 15Z 48 15 24 28 8.0 15 0.3 10.30 13.70 6.15 8.71 8000 12.2 26.5 19.0 0.3 IR 121516
17 NX 17 NX 17Z 53 17 26 28 8.0 17 0.3 11.10 15.70 6.38 9.95 7500 12.2 28.5 21.0 0.3 IR 141717
20 NX 20 NX 20Z 68 20 30 28 8.0 20 0.3 16.20 22.90 7.69 12.90 6500 12.2 33.6 25.0 0.3 IR 172016
25 NX 25 NX 25Z 115 25 37 30 8.0 25 0.3 21.50 31.60 12.20 21.10 4900 14.2 40.4 31.6 0.3 IR 202516
30 NX 30 NX 30Z 130 30 42 30 10.0 30 0.3 24.80 39.80 12.70 25.00 4300 14.2 45.1 36.5 0.3 IR 253020
35 NX 35 NX 35Z 160 35 47 30 10.0 35 0.3 25.40 44.10 13.50 29.90 3700 14.2 50.1 40.5 0.3 IR 303520
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2.SеıּƳSضȣ120Bm180
3.֬rODٞДֵ60%
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Note:
1.These load, speed and mass is reference of choice only.  
2.If the cages are made of plastics, the maximum allowable working themperrature is 120 in  
  continuous working and 180 in short working. 
3.With grease lubrication, 60% of these limiting speed will apply.
4.The inner race will be supplied with single.


         
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