• NTN NKS Machined-Ring Needle Roller Bearings, without Inner Ring
1 1

NTN NKS Machined-Ring Needle Roller Bearings, without Inner Ring

NTN NKS Machined-Ring Needle Roller Bearings, without Inner Ring

NTN NKS series machined-ring needle roller bearings without inner ring, roller inscribed diameter Fw 8-170 mm, running directly on a hardened shaft.

Key features

  • Machined outer ring with needle rollers and cage
  • No inner ring: shaft acts as raceway (hardened and ground)
  • High radial load capacity in a small radial section
  • T2 / CT suffixes: resin cage; R suffix: ribbed design for Fw 14 mm and above

Specifications

Series NKS
Bearing type Machined-ring needle roller bearing
Size range 8-170 mm
Load rating unit kN
Brand NTN
Source NTN NTN Machined Ring Needle Roller Bearings catalogue, p. B-60-B-68
NKS8T2 Fw: 8 mm | D: 16 mm | C: 13 mm | Cr: 4.65 kN | C0r: 4.15 kN | Mass: 0.011 kg
NKS10 Fw: 10 mm | D: 19 mm | C: 13 mm | Cr: 5.5 kN | C0r: 5.45 kN | Mass: 0.015 kg
NKS12 Fw: 12 mm | D: 22 mm | C: 16 mm | Cr: 9 kN | C0r: 9.4 kN | Mass: 0.026 kg
NKS14 Fw: 14 mm | D: 25 mm | C: 16 mm | Cr: 8.95 kN | C0r: 9.65 kN | Mass: 0.035 kg
NKS15 Fw: 15 mm | D: 26 mm | C: 16 mm | Cr: 10.1 kN | C0r: 11.5 kN | Mass: 0.028 kg
NKS16 Fw: 16 mm | D: 28 mm | C: 16 mm | Cr: 12.6 kN | C0r: 13.9 kN | Mass: 0.039 kg
NKS18 Fw: 18 mm | D: 30 mm | C: 16 mm | Cr: 11.6 kN | C0r: 12.8 kN | Mass: 0.038 kg
NKS20 Fw: 20 mm | D: 32 mm | C: 20 mm | Cr: 17.8 kN | C0r: 22.8 kN | Mass: 0.049 kg
NKS22 Fw: 22 mm | D: 35 mm | C: 20 mm | Cr: 17.7 kN | C0r: 23.3 kN | Mass: 0.062 kg
NKS24 Fw: 24 mm | D: 37 mm | C: 20 mm | Cr: 18.4 kN | C0r: 25.2 kN | Mass: 0.066 kg
NKS25 Fw: 25 mm | D: 38 mm | C: 20 mm | Cr: 18.3 kN | C0r: 25.3 kN | Mass: 0.068 kg
NKS28 Fw: 28 mm | D: 42 mm | C: 20 mm | Cr: 18.1 kN | C0r: 25.8 kN | Mass: 0.084 kg
NKS30 Fw: 30 mm | D: 45 mm | C: 22 mm | Cr: 23.3 kN | C0r: 33 kN | Mass: 0.104 kg
NKS32 Fw: 32 mm | D: 47 mm | C: 22 mm | Cr: 24 kN | C0r: 35 kN | Mass: 0.11 kg
NKS35 Fw: 35 mm | D: 50 mm | C: 22 mm | Cr: 24.7 kN | C0r: 37 kN | Mass: 0.118 kg
NKS37 Fw: 37 mm | D: 52 mm | C: 22 mm | Cr: 26.3 kN | C0r: 41 kN | Mass: 0.123 kg
NKS40 Fw: 40 mm | D: 55 mm | C: 22 mm | Cr: 27.7 kN | C0r: 45 kN | Mass: 0.129 kg
NKS43 Fw: 43 mm | D: 58 mm | C: 22 mm | Cr: 29.1 kN | C0r: 49 kN | Mass: 0.14 kg
NKS45 Fw: 45 mm | D: 60 mm | C: 22 mm | Cr: 29.7 kN | C0r: 51 kN | Mass: 0.16 kg
NKS50 Fw: 50 mm | D: 65 mm | C: 22 mm | Cr: 31.5 kN | C0r: 57 kN | Mass: 0.157 kg
NKS55 Fw: 55 mm | D: 72 mm | C: 22 mm | Cr: 33.5 kN | C0r: 63 kN | Mass: 0.221 kg
NKS60 Fw: 60 mm | D: 80 mm | C: 28 mm | Cr: 44.5 kN | C0r: 85 kN | Mass: 0.335 kg
NKS65 Fw: 65 mm | D: 85 mm | C: 28 mm | Cr: 47 kN | C0r: 94 kN | Mass: 0.356 kg
NKS70 Fw: 70 mm | D: 90 mm | C: 28 mm | Cr: 49.5 kN | C0r: 103 kN | Mass: 0.38 kg
NKS75 Fw: 75 mm | D: 95 mm | C: 28 mm | Cr: 50.5 kN | C0r: 109 kN | Mass: 0.402 kg
NKS80 Fw: 80 mm | D: 100 mm | C: 28 mm | Cr: 53 kN | C0r: 118 kN | Mass: 0.413 kg
NKS85 Fw: 85 mm | D: 105 mm | C: 32 mm | Cr: 64 kN | C0r: 153 kN | Mass: 0.475 kg
NKS90 Fw: 90 mm | D: 110 mm | C: 32 mm | Cr: 64 kN | C0r: 157 kN | Mass: 0.714 kg
NKS95 Fw: 95 mm | D: 115 mm | C: 32 mm | Cr: 65.5 kN | C0r: 165 kN | Mass: 0.765 kg
NKS100 Fw: 100 mm | D: 120 mm | C: 32 mm | Cr: 61 kN | C0r: 153 kN | Mass: 0.67 kg
NKS105 Fw: 105 mm | D: 125 mm | C: 32 mm | Cr: 67.5 kN | C0r: 176 kN | Mass: 0.68 kg
NKS110 Fw: 110 mm | D: 130 mm | C: 32 mm | Cr: 64.5 kN | C0r: 170 kN | Mass: 0.695 kg
NKS115 Fw: 115 mm | D: 135 mm | C: 32 mm | Cr: 90.5 kN | C0r: 199 kN | Mass: 0.7 kg
NKS135 Fw: 135 mm | D: 160 mm | C: 40 mm | Cr: 135 kN | C0r: 298 kN | Mass: 1.32 kg
NKS150 Fw: 150 mm | D: 180 mm | C: 52 mm | Cr: 202 kN | C0r: 455 kN | Mass: 2.32 kg
NKS160 Fw: 160 mm | D: 190 mm | C: 52 mm | Cr: 209 kN | C0r: 485 kN | Mass: 2.45 kg
NKS170 Fw: 170 mm | D: 200 mm | C: 52 mm | Cr: 215 kN | C0r: 515 kN | Mass: 2.59 kg
Needle Roller BearingsNTN
37 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
RFQ List 0 Email about this

Need a different model, or a part not listed here? Send us your parts list →

NTN NKS Machined-Ring Needle Roller Bearings, without Inner Ring

Brand NTN·Needle Roller Bearings

Available part numbers (37)

NKS8T2, NKS10, NKS12, NKS14, NKS15, NKS16, NKS18, NKS20, NKS22, NKS24 + 27 more — see full table ↓

How to order

Send the NTN part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

RFQ List 0 →
View full details
Product codes & specifications
0 selected
RFQ List (0)
Product codeSpec
NKS8T2Fw: 8 mm | D: 16 mm | C: 13 mm | Cr: 4.65 kN | C0r: 4.15 kN | Mass: 0.011 kg
NKS10Fw: 10 mm | D: 19 mm | C: 13 mm | Cr: 5.5 kN | C0r: 5.45 kN | Mass: 0.015 kg
NKS12Fw: 12 mm | D: 22 mm | C: 16 mm | Cr: 9 kN | C0r: 9.4 kN | Mass: 0.026 kg
NKS14Fw: 14 mm | D: 25 mm | C: 16 mm | Cr: 8.95 kN | C0r: 9.65 kN | Mass: 0.035 kg
NKS15Fw: 15 mm | D: 26 mm | C: 16 mm | Cr: 10.1 kN | C0r: 11.5 kN | Mass: 0.028 kg
NKS16Fw: 16 mm | D: 28 mm | C: 16 mm | Cr: 12.6 kN | C0r: 13.9 kN | Mass: 0.039 kg
NKS18Fw: 18 mm | D: 30 mm | C: 16 mm | Cr: 11.6 kN | C0r: 12.8 kN | Mass: 0.038 kg
NKS20Fw: 20 mm | D: 32 mm | C: 20 mm | Cr: 17.8 kN | C0r: 22.8 kN | Mass: 0.049 kg
NKS22Fw: 22 mm | D: 35 mm | C: 20 mm | Cr: 17.7 kN | C0r: 23.3 kN | Mass: 0.062 kg
NKS24Fw: 24 mm | D: 37 mm | C: 20 mm | Cr: 18.4 kN | C0r: 25.2 kN | Mass: 0.066 kg
NKS25Fw: 25 mm | D: 38 mm | C: 20 mm | Cr: 18.3 kN | C0r: 25.3 kN | Mass: 0.068 kg
NKS28Fw: 28 mm | D: 42 mm | C: 20 mm | Cr: 18.1 kN | C0r: 25.8 kN | Mass: 0.084 kg
NKS30Fw: 30 mm | D: 45 mm | C: 22 mm | Cr: 23.3 kN | C0r: 33 kN | Mass: 0.104 kg
NKS32Fw: 32 mm | D: 47 mm | C: 22 mm | Cr: 24 kN | C0r: 35 kN | Mass: 0.11 kg
NKS35Fw: 35 mm | D: 50 mm | C: 22 mm | Cr: 24.7 kN | C0r: 37 kN | Mass: 0.118 kg
NKS37Fw: 37 mm | D: 52 mm | C: 22 mm | Cr: 26.3 kN | C0r: 41 kN | Mass: 0.123 kg
NKS40Fw: 40 mm | D: 55 mm | C: 22 mm | Cr: 27.7 kN | C0r: 45 kN | Mass: 0.129 kg
NKS43Fw: 43 mm | D: 58 mm | C: 22 mm | Cr: 29.1 kN | C0r: 49 kN | Mass: 0.14 kg
NKS45Fw: 45 mm | D: 60 mm | C: 22 mm | Cr: 29.7 kN | C0r: 51 kN | Mass: 0.16 kg
NKS50Fw: 50 mm | D: 65 mm | C: 22 mm | Cr: 31.5 kN | C0r: 57 kN | Mass: 0.157 kg
NKS55Fw: 55 mm | D: 72 mm | C: 22 mm | Cr: 33.5 kN | C0r: 63 kN | Mass: 0.221 kg
NKS60Fw: 60 mm | D: 80 mm | C: 28 mm | Cr: 44.5 kN | C0r: 85 kN | Mass: 0.335 kg
NKS65Fw: 65 mm | D: 85 mm | C: 28 mm | Cr: 47 kN | C0r: 94 kN | Mass: 0.356 kg
NKS70Fw: 70 mm | D: 90 mm | C: 28 mm | Cr: 49.5 kN | C0r: 103 kN | Mass: 0.38 kg
NKS75Fw: 75 mm | D: 95 mm | C: 28 mm | Cr: 50.5 kN | C0r: 109 kN | Mass: 0.402 kg
NKS80Fw: 80 mm | D: 100 mm | C: 28 mm | Cr: 53 kN | C0r: 118 kN | Mass: 0.413 kg
NKS85Fw: 85 mm | D: 105 mm | C: 32 mm | Cr: 64 kN | C0r: 153 kN | Mass: 0.475 kg
NKS90Fw: 90 mm | D: 110 mm | C: 32 mm | Cr: 64 kN | C0r: 157 kN | Mass: 0.714 kg
NKS95Fw: 95 mm | D: 115 mm | C: 32 mm | Cr: 65.5 kN | C0r: 165 kN | Mass: 0.765 kg
NKS100Fw: 100 mm | D: 120 mm | C: 32 mm | Cr: 61 kN | C0r: 153 kN | Mass: 0.67 kg
NKS105Fw: 105 mm | D: 125 mm | C: 32 mm | Cr: 67.5 kN | C0r: 176 kN | Mass: 0.68 kg
NKS110Fw: 110 mm | D: 130 mm | C: 32 mm | Cr: 64.5 kN | C0r: 170 kN | Mass: 0.695 kg
NKS115Fw: 115 mm | D: 135 mm | C: 32 mm | Cr: 90.5 kN | C0r: 199 kN | Mass: 0.7 kg
NKS135Fw: 135 mm | D: 160 mm | C: 40 mm | Cr: 135 kN | C0r: 298 kN | Mass: 1.32 kg
NKS150Fw: 150 mm | D: 180 mm | C: 52 mm | Cr: 202 kN | C0r: 455 kN | Mass: 2.32 kg
NKS160Fw: 160 mm | D: 190 mm | C: 52 mm | Cr: 209 kN | C0r: 485 kN | Mass: 2.45 kg
NKS170Fw: 170 mm | D: 200 mm | C: 52 mm | Cr: 215 kN | C0r: 515 kN | Mass: 2.59 kg

Need a different model, or a part not listed here? Send us your parts list →

Related products

All Linear Motion & Bearings →