• KOYO Hybrid Ceramic High-Speed Bearings (3NC 70, 72, HAR, NU10)
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KOYO Hybrid Ceramic High-Speed Bearings (3NC 70, 72, HAR, NU10)

KOYO Hybrid Ceramic High-Speed Bearings (3NC 70, 72, HAR, NU10)

Hybrid ceramic bearings with ceramic rolling elements and high-carbon chromium steel rings for high-speed applications such as machine tool spindles: angular contact ball bearings (70, 72, HAR series) and NU10 cylindrical roller bearings.

Key features

  • Ceramic rolling elements, bearing steel rings
  • Reduced centrifugal force and heat generation
  • Angular contact 70/72 and HAR high-speed series
  • NU10 series cylindrical roller version
  • Suited to machine tool spindles

Specifications

Bearing type Hybrid ceramic spindle bearing
Series 3NC 70, 72, HAR, NU10 FY
Bore range 15 - 75 mm
Source KOYO Special Bearings catalogue, p. C21-C24
3NC 7002 FT d: 15 mm | D: 32 mm | B: 9 mm | Type: Angular contact, 70/72 series
3NC 7202 FT d: 15 mm | D: 35 mm | B: 11 mm | Type: Angular contact, 70/72 series
3NC 7004 FT d: 20 mm | D: 42 mm | B: 12 mm | Type: Angular contact, 70/72 series
3NC 7204 FT d: 20 mm | D: 47 mm | B: 14 mm | Type: Angular contact, 70/72 series
3NC 7005 FT d: 25 mm | D: 47 mm | B: 12 mm | Type: Angular contact, 70/72 series
3NC 7205 FT d: 25 mm | D: 52 mm | B: 15 mm | Type: Angular contact, 70/72 series
3NC 7006 FT d: 30 mm | D: 55 mm | B: 13 mm | Type: Angular contact, 70/72 series
3NC HAR006C FT d: 30 mm | D: 55 mm | B: 13 mm | Type: Angular contact, HAR 0/9
3NC 7206 FT d: 30 mm | D: 62 mm | B: 16 mm | Type: Angular contact, 70/72 series
3NC 7007 FT d: 35 mm | D: 62 mm | B: 14 mm | Type: Angular contact, 70/72 series
3NC HAR007C FT d: 35 mm | D: 62 mm | B: 14 mm | Type: Angular contact, HAR 0/9
3NC 7207 FT d: 35 mm | D: 72 mm | B: 17 mm | Type: Angular contact, 70/72 series
3NC 7008 FT d: 40 mm | D: 68 mm | B: 15 mm | Type: Angular contact, 70/72 series
3NC HAR008C FT d: 40 mm | D: 68 mm | B: 15 mm | Type: Angular contact, HAR 0/9
3NC 7208 FT d: 40 mm | D: 80 mm | B: 18 mm | Type: Angular contact, 70/72 series
3NC 7009 FT d: 45 mm | D: 75 mm | B: 16 mm | Type: Angular contact, 70/72 series
3NC HAR009C FT d: 45 mm | D: 75 mm | B: 16 mm | Type: Angular contact, HAR 0/9
3NC HAR910C FT d: 50 mm | D: 72 mm | B: 12 mm | Type: Angular contact, HAR 0/9
3NC 7010 FT d: 50 mm | D: 80 mm | B: 16 mm | Type: Angular contact, 70/72 series
3NC HAR010C FT d: 50 mm | D: 80 mm | B: 16 mm | Type: Angular contact, HAR 0/9
3NC NU1010 FY d: 50 mm | D: 80 mm | B: 16 mm | Type: Cylindrical roller, NU10
3NC HAR911C FT d: 55 mm | D: 80 mm | B: 13 mm | Type: Angular contact, HAR 0/9
3NC 7011 FT d: 55 mm | D: 90 mm | B: 18 mm | Type: Angular contact, 70/72 series
3NC HAR011C FT d: 55 mm | D: 90 mm | B: 18 mm | Type: Angular contact, HAR 0/9
3NC NU1011 FY d: 55 mm | D: 90 mm | B: 18 mm | Type: Cylindrical roller, NU10
3NC HAR912C FT d: 60 mm | D: 85 mm | B: 13 mm | Type: Angular contact, HAR 0/9
3NC 7012 FT d: 60 mm | D: 95 mm | B: 18 mm | Type: Angular contact, 70/72 series
3NC HAR012C FT d: 60 mm | D: 95 mm | B: 18 mm | Type: Angular contact, HAR 0/9
3NC NU1012 FY d: 60 mm | D: 95 mm | B: 18 mm | Type: Cylindrical roller, NU10
3NC HAR913C FT d: 65 mm | D: 90 mm | B: 13 mm | Type: Angular contact, HAR 0/9
3NC 7013 FT d: 65 mm | D: 100 mm | B: 18 mm | Type: Angular contact, 70/72 series
3NC HAR013C FT d: 65 mm | D: 100 mm | B: 18 mm | Type: Angular contact, HAR 0/9
3NC NU1013 FY d: 65 mm | D: 100 mm | B: 18 mm | Type: Cylindrical roller, NU10
3NC HAR914C FT d: 70 mm | D: 100 mm | B: 16 mm | Type: Angular contact, HAR 0/9
3NC 7014 FT d: 70 mm | D: 110 mm | B: 20 mm | Type: Angular contact, 70/72 series
3NC HAR014C FT d: 70 mm | D: 110 mm | B: 20 mm | Type: Angular contact, HAR 0/9
3NC NU1014 FY d: 70 mm | D: 110 mm | B: 20 mm | Type: Cylindrical roller, NU10
3NC HAR915C FT d: 75 mm | D: 105 mm | B: 16 mm | Type: Angular contact, HAR 0/9
3NC 7015 FT d: 75 mm | D: 115 mm | B: 20 mm | Type: Angular contact, 70/72 series
3NC HAR015C FT d: 75 mm | D: 115 mm | B: 20 mm | Type: Angular contact, HAR 0/9
3NC NU1015 FY d: 75 mm | D: 115 mm | B: 20 mm | Type: Cylindrical roller, NU10
3NC HAR916C FT d: 80 mm | D: 110 mm | B: 16 mm | Type: Angular contact, HAR 0/9
3NC HAR016C FT d: 80 mm | D: 125 mm | B: 22 mm | Type: Angular contact, HAR 0/9
3NC NU1016 FY d: 80 mm | D: 125 mm | B: 22 mm | Type: Cylindrical roller, NU10
3NC HAR917C FT d: 85 mm | D: 120 mm | B: 18 mm | Type: Angular contact, HAR 0/9
3NC HAR017C FT d: 85 mm | D: 130 mm | B: 22 mm | Type: Angular contact, HAR 0/9
3NC NU1017 FY d: 85 mm | D: 130 mm | B: 22 mm | Type: Cylindrical roller, NU10
3NC HAR918C FT d: 90 mm | D: 125 mm | B: 18 mm | Type: Angular contact, HAR 0/9
3NC HAR018C FT d: 90 mm | D: 140 mm | B: 24 mm | Type: Angular contact, HAR 0/9
3NC NU1018 FY d: 90 mm | D: 140 mm | B: 24 mm | Type: Cylindrical roller, NU10
3NC HAR919C FT d: 95 mm | D: 130 mm | B: 18 mm | Type: Angular contact, HAR 0/9
3NC HAR019C FT d: 95 mm | D: 145 mm | B: 24 mm | Type: Angular contact, HAR 0/9
3NC NU1019 FY d: 95 mm | D: 145 mm | B: 24 mm | Type: Cylindrical roller, NU10
3NC HAR920C FT d: 100 mm | D: 140 mm | B: 20 mm | Type: Angular contact, HAR 0/9
3NC HAR020C FT d: 100 mm | D: 150 mm | B: 24 mm | Type: Angular contact, HAR 0/9
3NC NU1020 FY d: 100 mm | D: 150 mm | B: 24 mm | Type: Cylindrical roller, NU10
3NC HAR921C FT d: 105 mm | D: 145 mm | B: 20 mm | Type: Angular contact, HAR 0/9
3NC HAR021C FT d: 105 mm | D: 160 mm | B: 26 mm | Type: Angular contact, HAR 0/9
3NC HAR922C FT d: 110 mm | D: 150 mm | B: 20 mm | Type: Angular contact, HAR 0/9
3NC HAR022C FT d: 110 mm | D: 170 mm | B: 28 mm | Type: Angular contact, HAR 0/9
3NC HAR924C FT d: 120 mm | D: 165 mm | B: 22 mm | Type: Angular contact, HAR 0/9
3NC HAR024C FT d: 120 mm | D: 180 mm | B: 28 mm | Type: Angular contact, HAR 0/9
Angular Contact Ball BearingsKOYO
62 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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KOYO Hybrid Ceramic High-Speed Bearings (3NC 70, 72, HAR, NU10)

Brand KOYO·Angular Contact Ball Bearings

Available part numbers (62)

3NC 7002 FT, 3NC 7202 FT, 3NC 7004 FT, 3NC 7204 FT, 3NC 7005 FT, 3NC 7205 FT, 3NC 7006 FT, 3NC HAR006C FT, 3NC 7206 FT, 3NC 7007 FT + 52 more — see full table ↓

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Product codes & specifications
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Product codeSpec
3NC 7002 FTd: 15 mm | D: 32 mm | B: 9 mm | Type: Angular contact, 70/72 series
3NC 7202 FTd: 15 mm | D: 35 mm | B: 11 mm | Type: Angular contact, 70/72 series
3NC 7004 FTd: 20 mm | D: 42 mm | B: 12 mm | Type: Angular contact, 70/72 series
3NC 7204 FTd: 20 mm | D: 47 mm | B: 14 mm | Type: Angular contact, 70/72 series
3NC 7005 FTd: 25 mm | D: 47 mm | B: 12 mm | Type: Angular contact, 70/72 series
3NC 7205 FTd: 25 mm | D: 52 mm | B: 15 mm | Type: Angular contact, 70/72 series
3NC 7006 FTd: 30 mm | D: 55 mm | B: 13 mm | Type: Angular contact, 70/72 series
3NC HAR006C FTd: 30 mm | D: 55 mm | B: 13 mm | Type: Angular contact, HAR 0/9
3NC 7206 FTd: 30 mm | D: 62 mm | B: 16 mm | Type: Angular contact, 70/72 series
3NC 7007 FTd: 35 mm | D: 62 mm | B: 14 mm | Type: Angular contact, 70/72 series
3NC HAR007C FTd: 35 mm | D: 62 mm | B: 14 mm | Type: Angular contact, HAR 0/9
3NC 7207 FTd: 35 mm | D: 72 mm | B: 17 mm | Type: Angular contact, 70/72 series
3NC 7008 FTd: 40 mm | D: 68 mm | B: 15 mm | Type: Angular contact, 70/72 series
3NC HAR008C FTd: 40 mm | D: 68 mm | B: 15 mm | Type: Angular contact, HAR 0/9
3NC 7208 FTd: 40 mm | D: 80 mm | B: 18 mm | Type: Angular contact, 70/72 series
3NC 7009 FTd: 45 mm | D: 75 mm | B: 16 mm | Type: Angular contact, 70/72 series
3NC HAR009C FTd: 45 mm | D: 75 mm | B: 16 mm | Type: Angular contact, HAR 0/9
3NC HAR910C FTd: 50 mm | D: 72 mm | B: 12 mm | Type: Angular contact, HAR 0/9
3NC 7010 FTd: 50 mm | D: 80 mm | B: 16 mm | Type: Angular contact, 70/72 series
3NC HAR010C FTd: 50 mm | D: 80 mm | B: 16 mm | Type: Angular contact, HAR 0/9
3NC NU1010 FYd: 50 mm | D: 80 mm | B: 16 mm | Type: Cylindrical roller, NU10
3NC HAR911C FTd: 55 mm | D: 80 mm | B: 13 mm | Type: Angular contact, HAR 0/9
3NC 7011 FTd: 55 mm | D: 90 mm | B: 18 mm | Type: Angular contact, 70/72 series
3NC HAR011C FTd: 55 mm | D: 90 mm | B: 18 mm | Type: Angular contact, HAR 0/9
3NC NU1011 FYd: 55 mm | D: 90 mm | B: 18 mm | Type: Cylindrical roller, NU10
3NC HAR912C FTd: 60 mm | D: 85 mm | B: 13 mm | Type: Angular contact, HAR 0/9
3NC 7012 FTd: 60 mm | D: 95 mm | B: 18 mm | Type: Angular contact, 70/72 series
3NC HAR012C FTd: 60 mm | D: 95 mm | B: 18 mm | Type: Angular contact, HAR 0/9
3NC NU1012 FYd: 60 mm | D: 95 mm | B: 18 mm | Type: Cylindrical roller, NU10
3NC HAR913C FTd: 65 mm | D: 90 mm | B: 13 mm | Type: Angular contact, HAR 0/9
3NC 7013 FTd: 65 mm | D: 100 mm | B: 18 mm | Type: Angular contact, 70/72 series
3NC HAR013C FTd: 65 mm | D: 100 mm | B: 18 mm | Type: Angular contact, HAR 0/9
3NC NU1013 FYd: 65 mm | D: 100 mm | B: 18 mm | Type: Cylindrical roller, NU10
3NC HAR914C FTd: 70 mm | D: 100 mm | B: 16 mm | Type: Angular contact, HAR 0/9
3NC 7014 FTd: 70 mm | D: 110 mm | B: 20 mm | Type: Angular contact, 70/72 series
3NC HAR014C FTd: 70 mm | D: 110 mm | B: 20 mm | Type: Angular contact, HAR 0/9
3NC NU1014 FYd: 70 mm | D: 110 mm | B: 20 mm | Type: Cylindrical roller, NU10
3NC HAR915C FTd: 75 mm | D: 105 mm | B: 16 mm | Type: Angular contact, HAR 0/9
3NC 7015 FTd: 75 mm | D: 115 mm | B: 20 mm | Type: Angular contact, 70/72 series
3NC HAR015C FTd: 75 mm | D: 115 mm | B: 20 mm | Type: Angular contact, HAR 0/9
3NC NU1015 FYd: 75 mm | D: 115 mm | B: 20 mm | Type: Cylindrical roller, NU10
3NC HAR916C FTd: 80 mm | D: 110 mm | B: 16 mm | Type: Angular contact, HAR 0/9
3NC HAR016C FTd: 80 mm | D: 125 mm | B: 22 mm | Type: Angular contact, HAR 0/9
3NC NU1016 FYd: 80 mm | D: 125 mm | B: 22 mm | Type: Cylindrical roller, NU10
3NC HAR917C FTd: 85 mm | D: 120 mm | B: 18 mm | Type: Angular contact, HAR 0/9
3NC HAR017C FTd: 85 mm | D: 130 mm | B: 22 mm | Type: Angular contact, HAR 0/9
3NC NU1017 FYd: 85 mm | D: 130 mm | B: 22 mm | Type: Cylindrical roller, NU10
3NC HAR918C FTd: 90 mm | D: 125 mm | B: 18 mm | Type: Angular contact, HAR 0/9
3NC HAR018C FTd: 90 mm | D: 140 mm | B: 24 mm | Type: Angular contact, HAR 0/9
3NC NU1018 FYd: 90 mm | D: 140 mm | B: 24 mm | Type: Cylindrical roller, NU10
3NC HAR919C FTd: 95 mm | D: 130 mm | B: 18 mm | Type: Angular contact, HAR 0/9
3NC HAR019C FTd: 95 mm | D: 145 mm | B: 24 mm | Type: Angular contact, HAR 0/9
3NC NU1019 FYd: 95 mm | D: 145 mm | B: 24 mm | Type: Cylindrical roller, NU10
3NC HAR920C FTd: 100 mm | D: 140 mm | B: 20 mm | Type: Angular contact, HAR 0/9
3NC HAR020C FTd: 100 mm | D: 150 mm | B: 24 mm | Type: Angular contact, HAR 0/9
3NC NU1020 FYd: 100 mm | D: 150 mm | B: 24 mm | Type: Cylindrical roller, NU10
3NC HAR921C FTd: 105 mm | D: 145 mm | B: 20 mm | Type: Angular contact, HAR 0/9
3NC HAR021C FTd: 105 mm | D: 160 mm | B: 26 mm | Type: Angular contact, HAR 0/9
3NC HAR922C FTd: 110 mm | D: 150 mm | B: 20 mm | Type: Angular contact, HAR 0/9
3NC HAR022C FTd: 110 mm | D: 170 mm | B: 28 mm | Type: Angular contact, HAR 0/9
3NC HAR924C FTd: 120 mm | D: 165 mm | B: 22 mm | Type: Angular contact, HAR 0/9
3NC HAR024C FTd: 120 mm | D: 180 mm | B: 28 mm | Type: Angular contact, HAR 0/9

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