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Needle Roller Bearings
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Needle Roller Bearings

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Parameters

Needle Roller Bearings 

Bearing No. Boundary Dimensions(mm) Basic Load Rating(kN) Weight (kg)
d Fw D B rs Cr Cor
NKI 20/16 20 24 32 16 0.3 15.2 22.2 0.049
NKI 20/20 20 24 32 20 0.3 19.2 30.2 0.061
NKI 203316 20 24 33 16 0.3 15.2 22.2 0.051
NKI 25/20 25 29 38 20 0.3 22.2 34 0.079
NKI 25/30 25 29 38 30 0.3 33.5 58 0.124
NKI 28/20 28 32 42 20 0.3 23.5 37.8 0.097
NKI 28/30 28 32 42 30 0.3 35.5 64.2 0.146
NKI 30/20 30 35 45 20 0.3 24.8 41.5 0.112
NKI 30/30 30 35 45 30 0.3 37.5 70.5 0.17
NKI 35/20 35 40 50 20 0.3 26.5 47.2 0.127
NKI 35/30 35 40 50 30 0.3 40 80.2 0.193
NKI 40/20 40 45 55 20 0.3 28 52.8 0.142
NKI 40/30 40 45 55 30 0.3 42.5 89.8 0.216
NKI 50/25 50 68 25 0.6 40.2 88 0.27
                 
Bearing No. Boundary Dimensions(mm) Basic Load Rating(kN) Weight (kg)
d Fw D B rs Cr Cor
NAV 4004 20 42 22 0.3 37.7 62.3 0.172
NAV 4904 20 37 17 0.3 39.4 46 0.103
NAV 4905 25 42 17 0.3 44 55.7 0.115
NAV 4906 30 47 17 0.3 48 65.3 0.131
NAV 4907 35 55 20 0.6 59.6 91.4 0.206
                 
Bearing No. Boundary Dimensions(mm) Basic Load Rating(kN) Weight (kg)
d Fw D B rs Cr Cor
NK 24/16 24 32 16 0.3 15.2 22.2 0.032
NK 24/20 24 32 20 0.3 19.2 30.2 0.04
NK 25/16 25 33 16 0.3 15.1 24.5 0.033
NK 25/20 25 33 20 0.3 19 32.5 0.042
NK 26/16 26 34 16 0.3 15.7 26 0.034
NK 26/20 26 34 20 0.3 19.4 34.5 0.042
NK 28/20 28 37 20 0.3 22 36.5 0.052
NK 28/30 28 37 30 0.3 31.9 60 0.082
NK 29/20 29 38 20 0.3 22.2 34 0.054
NK 29/30 29 38 30 0.3 33.5 58 0.084
NK 30/20 30 40 20 0.3 22.9 38 0.065
NK 30/30 30 40 30 0.3 33 63 0.098
NK 32/20 32 42 20 0.3 23.5 37.8 0.068
NK 32/30 32 42 30 0.3 35.5 64.2 0.102
NK 35/20 35 45 20 0.3 24.8 41.5 0.074
NK 35/30 35 45 30 0.3 37.8 70.5 0.112
NK 40/20 40 50 20 0.3 26.5 47.2 0.083
NK 40/30 40 50 30 0.3 40 80.2 0.125
NK 45/20 45 55 20 0.3 28 52.8 0.092
NK 45/30 45 55 30 0.3 42.5 89.8 0.139
NK 50/25 50 62 25 0.6 38 78 0.161
NK 50/35 50 62 35 0.6 49 110 0.221
NK 70/25 70 85 25 0.6 44.6 98 0.262
NK 70/35 70 85 35 0.6 63 144 0.372
                 
Bearing No. Boundary Dimensions(mm) Basic Load Rating(kN) Weight (kg)
d Fw D B rs Cr Cor
NA 4830 150 190 40 1.1 147 415 2.73
NA 4911 55 63 80 25 1.5 51.4 105 0.442
NA 4914 70 80 100 30 1.5 84 156 0.811
                 
Bearing No. Boundary Dimensions(mm) Basic Load Rating(kN) Weight (kg)
d Fw D B rs Cr Cor
RNAV 4006 40.1 55 25 0.3 54.5 98.3 0.191
RNAV 4904 25 37 17 0.3 39.4 46 0.082
RNAV 4905 30 42 17 0.3 44 55.7 0.093
RNAV 4906 35 47 17 0.6 48 65.3 0.105
RNAV 4907 42 55 20 0.6 59.6 91.4 0.131

Application

  • Automation Technology
  • Machine Tools
  • Aerospace Industry
  • Mechanical Engineering
  • Industrial Robots
  • Textile Machinery
  • Automotive Industry
  • Construction Machinery
  • Electric Motors
  • Gearboxes

 

Selection Of Bearings

Our team of specialists from the German rolling bearing industry supports you by stress analyzes and calculations in the selection of the right bearings.

  • Stress Analyzes
  • Storage and Durability Calculations
  • Design Advice for "Non-standard bearings"
  • Selection of Greasing
  • Quality Analysis
  • Damage Analysis
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