• NTN QJ Four-Point Contact Ball Bearings (QJ2, QJ3)
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NTN QJ Four-Point Contact Ball Bearings (QJ2, QJ3)

NTN QJ Four-Point Contact Ball Bearings (QJ2, QJ3)

NTN QJ series four-point contact ball bearings with split inner ring, carrying axial loads in both directions in a single row.

Key features

  • Split inner ring allows a large ball complement
  • Supports axial load in both directions
  • Single-row compact design
  • Axial load ratings Ca / C0a listed

Specifications

Series QJ2, QJ3
Bearing type Four-point contact ball bearing
Rating basis Axial (Ca, C0a)
Load rating unit kN
Brand NTN
Source NTN NTN Ball and Roller Bearings catalogue, p. 41-42
QJ306 d: 30 mm | D: 72 mm | B: 19 mm | Ca: 39.5 kN | C0a: 57.5 kN | Mass: 0.42 kg
QJ307 d: 35 mm | D: 80 mm | B: 21 mm | Ca: 49.5 kN | C0a: 73 kN | Mass: 0.57 kg
QJ208 d: 40 mm | D: 80 mm | B: 18 mm | Ca: 44 kN | C0a: 70.5 kN | Mass: 0.45 kg
QJ308 d: 40 mm | D: 90 mm | B: 23 mm | Ca: 60.5 kN | C0a: 91.5 kN | Mass: 0.78 kg
QJ209 d: 45 mm | D: 85 mm | B: 19 mm | Ca: 49.5 kN | C0a: 81 kN | Mass: 0.52 kg
QJ309 d: 45 mm | D: 100 mm | B: 25 mm | Ca: 79 kN | C0a: 121 kN | Mass: 1.05 kg
QJ210 d: 50 mm | D: 90 mm | B: 20 mm | Ca: 52 kN | C0a: 89 kN | Mass: 0.603 kg
QJ310 d: 50 mm | D: 110 mm | B: 27 mm | Ca: 92 kN | C0a: 145 kN | Mass: 1.38 kg
QJ211 d: 55 mm | D: 100 mm | B: 21 mm | Ca: 64 kN | C0a: 112 kN | Mass: 0.78 kg
QJ311 d: 55 mm | D: 120 mm | B: 29 mm | Ca: 106 kN | C0a: 170 kN | Mass: 1.76 kg
QJ212 d: 60 mm | D: 110 mm | B: 22 mm | Ca: 77.5 kN | C0a: 138 kN | Mass: 0.98 kg
QJ312 d: 60 mm | D: 130 mm | B: 31 mm | Ca: 122 kN | C0a: 198 kN | Mass: 2.18 kg
QJ213 d: 65 mm | D: 120 mm | B: 23 mm | Ca: 84.5 kN | C0a: 153 kN | Mass: 1.24 kg
QJ313 d: 65 mm | D: 140 mm | B: 33 mm | Ca: 138 kN | C0a: 228 kN | Mass: 2.7 kg
QJ214 d: 70 mm | D: 125 mm | B: 24 mm | Ca: 92 kN | C0a: 168 kN | Mass: 1.36 kg
QJ314 d: 70 mm | D: 150 mm | B: 35 mm | Ca: 155 kN | C0a: 260 kN | Mass: 3.27 kg
QJ215 d: 75 mm | D: 130 mm | B: 25 mm | Ca: 96 kN | C0a: 183 kN | Mass: 1.53 kg
QJ315 d: 75 mm | D: 160 mm | B: 37 mm | Ca: 169 kN | C0a: 294 kN | Mass: 3.9 kg
QJ216 d: 80 mm | D: 140 mm | B: 26 mm | Ca: 112 kN | C0a: 217 kN | Mass: 1.83 kg
QJ316 d: 80 mm | D: 170 mm | B: 39 mm | Ca: 183 kN | C0a: 330 kN | Mass: 4.64 kg
QJ217 d: 85 mm | D: 150 mm | B: 28 mm | Ca: 126 kN | C0a: 252 kN | Mass: 2.3 kg
QJ317 d: 85 mm | D: 180 mm | B: 41 mm | Ca: 197 kN | C0a: 370 kN | Mass: 5.43 kg
QJ218 d: 90 mm | D: 160 mm | B: 30 mm | Ca: 148 kN | C0a: 293 kN | Mass: 2.76 kg
QJ318 d: 90 mm | D: 190 mm | B: 43 mm | Ca: 212 kN | C0a: 410 kN | Mass: 6.31 kg
QJ219 d: 95 mm | D: 170 mm | B: 32 mm | Ca: 168 kN | C0a: 335 kN | Mass: 3.35 kg
QJ319 d: 95 mm | D: 200 mm | B: 45 mm | Ca: 227 kN | C0a: 450 kN | Mass: 7.41 kg
QJ220 d: 100 mm | D: 180 mm | B: 34 mm | Ca: 181 kN | C0a: 355 kN | Mass: 4.02 kg
QJ320 d: 100 mm | D: 215 mm | B: 47 mm | Ca: 273 kN | C0a: 585 kN | Mass: 9.14 kg
QJ221 d: 105 mm | D: 190 mm | B: 36 mm | Ca: 197 kN | C0a: 400 kN | Mass: 4.75 kg
QJ321 d: 105 mm | D: 225 mm | B: 49 mm | Ca: 273 kN | C0a: 585 kN | Mass: 10.4 kg
QJ222 d: 110 mm | D: 200 mm | B: 38 mm | Ca: 213 kN | C0a: 450 kN | Mass: 5.62 kg
QJ322 d: 110 mm | D: 240 mm | B: 50 mm | Ca: 305 kN | C0a: 680 kN | Mass: 12 kg
QJ224 d: 120 mm | D: 215 mm | B: 40 mm | Ca: 240 kN | C0a: 540 kN | Mass: 6.75 kg
QJ324 d: 120 mm | D: 260 mm | B: 55 mm | Ca: 325 kN | C0a: 765 kN | Mass: 15.9 kg
Angular Contact Ball BearingsNTN
34 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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NTN QJ Four-Point Contact Ball Bearings (QJ2, QJ3)

Brand NTN·Angular Contact Ball Bearings

Available part numbers (34)

QJ306, QJ307, QJ208, QJ308, QJ209, QJ309, QJ210, QJ310, QJ211, QJ311 + 24 more — see full table ↓

How to order

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Product codes & specifications
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Product codeSpec
QJ306d: 30 mm | D: 72 mm | B: 19 mm | Ca: 39.5 kN | C0a: 57.5 kN | Mass: 0.42 kg
QJ307d: 35 mm | D: 80 mm | B: 21 mm | Ca: 49.5 kN | C0a: 73 kN | Mass: 0.57 kg
QJ208d: 40 mm | D: 80 mm | B: 18 mm | Ca: 44 kN | C0a: 70.5 kN | Mass: 0.45 kg
QJ308d: 40 mm | D: 90 mm | B: 23 mm | Ca: 60.5 kN | C0a: 91.5 kN | Mass: 0.78 kg
QJ209d: 45 mm | D: 85 mm | B: 19 mm | Ca: 49.5 kN | C0a: 81 kN | Mass: 0.52 kg
QJ309d: 45 mm | D: 100 mm | B: 25 mm | Ca: 79 kN | C0a: 121 kN | Mass: 1.05 kg
QJ210d: 50 mm | D: 90 mm | B: 20 mm | Ca: 52 kN | C0a: 89 kN | Mass: 0.603 kg
QJ310d: 50 mm | D: 110 mm | B: 27 mm | Ca: 92 kN | C0a: 145 kN | Mass: 1.38 kg
QJ211d: 55 mm | D: 100 mm | B: 21 mm | Ca: 64 kN | C0a: 112 kN | Mass: 0.78 kg
QJ311d: 55 mm | D: 120 mm | B: 29 mm | Ca: 106 kN | C0a: 170 kN | Mass: 1.76 kg
QJ212d: 60 mm | D: 110 mm | B: 22 mm | Ca: 77.5 kN | C0a: 138 kN | Mass: 0.98 kg
QJ312d: 60 mm | D: 130 mm | B: 31 mm | Ca: 122 kN | C0a: 198 kN | Mass: 2.18 kg
QJ213d: 65 mm | D: 120 mm | B: 23 mm | Ca: 84.5 kN | C0a: 153 kN | Mass: 1.24 kg
QJ313d: 65 mm | D: 140 mm | B: 33 mm | Ca: 138 kN | C0a: 228 kN | Mass: 2.7 kg
QJ214d: 70 mm | D: 125 mm | B: 24 mm | Ca: 92 kN | C0a: 168 kN | Mass: 1.36 kg
QJ314d: 70 mm | D: 150 mm | B: 35 mm | Ca: 155 kN | C0a: 260 kN | Mass: 3.27 kg
QJ215d: 75 mm | D: 130 mm | B: 25 mm | Ca: 96 kN | C0a: 183 kN | Mass: 1.53 kg
QJ315d: 75 mm | D: 160 mm | B: 37 mm | Ca: 169 kN | C0a: 294 kN | Mass: 3.9 kg
QJ216d: 80 mm | D: 140 mm | B: 26 mm | Ca: 112 kN | C0a: 217 kN | Mass: 1.83 kg
QJ316d: 80 mm | D: 170 mm | B: 39 mm | Ca: 183 kN | C0a: 330 kN | Mass: 4.64 kg
QJ217d: 85 mm | D: 150 mm | B: 28 mm | Ca: 126 kN | C0a: 252 kN | Mass: 2.3 kg
QJ317d: 85 mm | D: 180 mm | B: 41 mm | Ca: 197 kN | C0a: 370 kN | Mass: 5.43 kg
QJ218d: 90 mm | D: 160 mm | B: 30 mm | Ca: 148 kN | C0a: 293 kN | Mass: 2.76 kg
QJ318d: 90 mm | D: 190 mm | B: 43 mm | Ca: 212 kN | C0a: 410 kN | Mass: 6.31 kg
QJ219d: 95 mm | D: 170 mm | B: 32 mm | Ca: 168 kN | C0a: 335 kN | Mass: 3.35 kg
QJ319d: 95 mm | D: 200 mm | B: 45 mm | Ca: 227 kN | C0a: 450 kN | Mass: 7.41 kg
QJ220d: 100 mm | D: 180 mm | B: 34 mm | Ca: 181 kN | C0a: 355 kN | Mass: 4.02 kg
QJ320d: 100 mm | D: 215 mm | B: 47 mm | Ca: 273 kN | C0a: 585 kN | Mass: 9.14 kg
QJ221d: 105 mm | D: 190 mm | B: 36 mm | Ca: 197 kN | C0a: 400 kN | Mass: 4.75 kg
QJ321d: 105 mm | D: 225 mm | B: 49 mm | Ca: 273 kN | C0a: 585 kN | Mass: 10.4 kg
QJ222d: 110 mm | D: 200 mm | B: 38 mm | Ca: 213 kN | C0a: 450 kN | Mass: 5.62 kg
QJ322d: 110 mm | D: 240 mm | B: 50 mm | Ca: 305 kN | C0a: 680 kN | Mass: 12 kg
QJ224d: 120 mm | D: 215 mm | B: 40 mm | Ca: 240 kN | C0a: 540 kN | Mass: 6.75 kg
QJ324d: 120 mm | D: 260 mm | B: 55 mm | Ca: 325 kN | C0a: 765 kN | Mass: 15.9 kg

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