• NSK 12 Series Self-Aligning Ball Bearings (Cylindrical & K Bore)
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NSK 12 Series Self-Aligning Ball Bearings (Cylindrical & K Bore)

NSK 12 Series Self-Aligning Ball Bearings (Cylindrical & K Bore)

NSK 12 series self-aligning ball bearings, bore 10-110 mm, with cylindrical bore and, where listed, tapered bore (K suffix, taper 1:12).

Key features

  • Double-row balls with spherical outer-ring raceway
  • Accommodates misalignment between shaft and housing
  • K suffix: tapered bore 1:12 for adapter or withdrawal sleeve mounting
  • Low friction and low heat generation

Specifications

Bearing type Self-aligning ball bearing
Series 12
Bore range 10-110 mm
Bore type Cylindrical; K = tapered 1:12
Load ratings Basic dynamic Cr / static C0r
Speed basis Grease lubrication limit
Source NSK Rolling Bearings Catalogue (Korean ed.), p. B74-B79
1200 d: 10 mm | D: 30 mm | B: 9 mm | Cr: 5.55 kN | C0r: 1.19 kN | Grease speed: 22000 rpm
1201 d: 12 mm | D: 32 mm | B: 10 mm | Cr: 5.7 kN | C0r: 1.27 kN | Grease speed: 22000 rpm
1202 d: 15 mm | D: 35 mm | B: 11 mm | Cr: 7.6 kN | C0r: 1.75 kN | Grease speed: 18000 rpm
1203 d: 17 mm | D: 40 mm | B: 12 mm | Cr: 8 kN | C0r: 2.01 kN | Grease speed: 16000 rpm
1204 d: 20 mm | D: 47 mm | B: 14 mm | Cr: 10 kN | C0r: 2.61 kN | Grease speed: 14000 rpm
1204K d: 20 mm | D: 47 mm | B: 14 mm | Cr: 10 kN | C0r: 2.61 kN | Grease speed: 14000 rpm
1205 d: 25 mm | D: 52 mm | B: 15 mm | Cr: 12.2 kN | C0r: 3.3 kN | Grease speed: 12000 rpm
1205K d: 25 mm | D: 52 mm | B: 15 mm | Cr: 12.2 kN | C0r: 3.3 kN | Grease speed: 12000 rpm
1206 d: 30 mm | D: 62 mm | B: 16 mm | Cr: 15.8 kN | C0r: 4.65 kN | Grease speed: 10000 rpm
1206K d: 30 mm | D: 62 mm | B: 16 mm | Cr: 15.8 kN | C0r: 4.65 kN | Grease speed: 10000 rpm
1207 d: 35 mm | D: 72 mm | B: 17 mm | Cr: 15.9 kN | C0r: 5.1 kN | Grease speed: 8500 rpm
1207K d: 35 mm | D: 72 mm | B: 17 mm | Cr: 15.9 kN | C0r: 5.1 kN | Grease speed: 8500 rpm
1208 d: 40 mm | D: 80 mm | B: 18 mm | Cr: 19.3 kN | C0r: 6.5 kN | Grease speed: 7500 rpm
1208K d: 40 mm | D: 80 mm | B: 18 mm | Cr: 19.3 kN | C0r: 6.5 kN | Grease speed: 7500 rpm
1209 d: 45 mm | D: 85 mm | B: 19 mm | Cr: 22 kN | C0r: 7.35 kN | Grease speed: 7100 rpm
1209K d: 45 mm | D: 85 mm | B: 19 mm | Cr: 22 kN | C0r: 7.35 kN | Grease speed: 7100 rpm
1210 d: 50 mm | D: 90 mm | B: 20 mm | Cr: 22.8 kN | C0r: 8.1 kN | Grease speed: 6300 rpm
1210K d: 50 mm | D: 90 mm | B: 20 mm | Cr: 22.8 kN | C0r: 8.1 kN | Grease speed: 6300 rpm
1211 d: 55 mm | D: 100 mm | B: 21 mm | Cr: 26.9 kN | C0r: 10 kN | Grease speed: 6000 rpm
1211K d: 55 mm | D: 100 mm | B: 21 mm | Cr: 26.9 kN | C0r: 10 kN | Grease speed: 6000 rpm
1212 d: 60 mm | D: 110 mm | B: 22 mm | Cr: 30.5 kN | C0r: 11.5 kN | Grease speed: 5300 rpm
1212K d: 60 mm | D: 110 mm | B: 22 mm | Cr: 30.5 kN | C0r: 11.5 kN | Grease speed: 5300 rpm
1213 d: 65 mm | D: 120 mm | B: 23 mm | Cr: 31 kN | C0r: 12.5 kN | Grease speed: 4800 rpm
1213K d: 65 mm | D: 120 mm | B: 23 mm | Cr: 31 kN | C0r: 12.5 kN | Grease speed: 4800 rpm
1214 d: 70 mm | D: 125 mm | B: 24 mm | Cr: 35 kN | C0r: 13.8 kN | Grease speed: 4800 rpm
1215 d: 75 mm | D: 130 mm | B: 25 mm | Cr: 39 kN | C0r: 15.7 kN | Grease speed: 4300 rpm
1215K d: 75 mm | D: 130 mm | B: 25 mm | Cr: 39 kN | C0r: 15.7 kN | Grease speed: 4300 rpm
1216 d: 80 mm | D: 140 mm | B: 26 mm | Cr: 40 kN | C0r: 17 kN | Grease speed: 4000 rpm
1216K d: 80 mm | D: 140 mm | B: 26 mm | Cr: 40 kN | C0r: 17 kN | Grease speed: 4000 rpm
1217 d: 85 mm | D: 150 mm | B: 28 mm | Cr: 49.5 kN | C0r: 20.8 kN | Grease speed: 3800 rpm
1217K d: 85 mm | D: 150 mm | B: 28 mm | Cr: 49.5 kN | C0r: 20.8 kN | Grease speed: 3800 rpm
1218 d: 90 mm | D: 160 mm | B: 30 mm | Cr: 57.5 kN | C0r: 23.5 kN | Grease speed: 3600 rpm
1218K d: 90 mm | D: 160 mm | B: 30 mm | Cr: 57.5 kN | C0r: 23.5 kN | Grease speed: 3600 rpm
1219 d: 95 mm | D: 170 mm | B: 32 mm | Cr: 64 kN | C0r: 27.1 kN | Grease speed: 3400 rpm
1219K d: 95 mm | D: 170 mm | B: 32 mm | Cr: 64 kN | C0r: 27.1 kN | Grease speed: 3400 rpm
1220 d: 100 mm | D: 180 mm | B: 34 mm | Cr: 69.5 kN | C0r: 29.7 kN | Grease speed: 3200 rpm
1220K d: 100 mm | D: 180 mm | B: 34 mm | Cr: 69.5 kN | C0r: 29.7 kN | Grease speed: 3200 rpm
1221 d: 105 mm | D: 190 mm | B: 36 mm | Cr: 75 kN | C0r: 32.5 kN | Grease speed: 3000 rpm
1222 d: 110 mm | D: 200 mm | B: 38 mm | Cr: 87 kN | C0r: 38.5 kN | Grease speed: 2800 rpm
1222K d: 110 mm | D: 200 mm | B: 38 mm | Cr: 87 kN | C0r: 38.5 kN | Grease speed: 2800 rpm
Self-Aligning Ball BearingsNSK
40 product codes available in this family
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NSK 12 Series Self-Aligning Ball Bearings (Cylindrical & K Bore)

Brand NSK·Self-Aligning Ball Bearings

Available part numbers (40)

1200, 1201, 1202, 1203, 1204, 1204K, 1205, 1205K, 1206, 1206K + 30 more — see full table ↓

How to order

Send the NSK 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.

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Product codes & specifications
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Product codeSpec
1200d: 10 mm | D: 30 mm | B: 9 mm | Cr: 5.55 kN | C0r: 1.19 kN | Grease speed: 22000 rpm
1201d: 12 mm | D: 32 mm | B: 10 mm | Cr: 5.7 kN | C0r: 1.27 kN | Grease speed: 22000 rpm
1202d: 15 mm | D: 35 mm | B: 11 mm | Cr: 7.6 kN | C0r: 1.75 kN | Grease speed: 18000 rpm
1203d: 17 mm | D: 40 mm | B: 12 mm | Cr: 8 kN | C0r: 2.01 kN | Grease speed: 16000 rpm
1204d: 20 mm | D: 47 mm | B: 14 mm | Cr: 10 kN | C0r: 2.61 kN | Grease speed: 14000 rpm
1204Kd: 20 mm | D: 47 mm | B: 14 mm | Cr: 10 kN | C0r: 2.61 kN | Grease speed: 14000 rpm
1205d: 25 mm | D: 52 mm | B: 15 mm | Cr: 12.2 kN | C0r: 3.3 kN | Grease speed: 12000 rpm
1205Kd: 25 mm | D: 52 mm | B: 15 mm | Cr: 12.2 kN | C0r: 3.3 kN | Grease speed: 12000 rpm
1206d: 30 mm | D: 62 mm | B: 16 mm | Cr: 15.8 kN | C0r: 4.65 kN | Grease speed: 10000 rpm
1206Kd: 30 mm | D: 62 mm | B: 16 mm | Cr: 15.8 kN | C0r: 4.65 kN | Grease speed: 10000 rpm
1207d: 35 mm | D: 72 mm | B: 17 mm | Cr: 15.9 kN | C0r: 5.1 kN | Grease speed: 8500 rpm
1207Kd: 35 mm | D: 72 mm | B: 17 mm | Cr: 15.9 kN | C0r: 5.1 kN | Grease speed: 8500 rpm
1208d: 40 mm | D: 80 mm | B: 18 mm | Cr: 19.3 kN | C0r: 6.5 kN | Grease speed: 7500 rpm
1208Kd: 40 mm | D: 80 mm | B: 18 mm | Cr: 19.3 kN | C0r: 6.5 kN | Grease speed: 7500 rpm
1209d: 45 mm | D: 85 mm | B: 19 mm | Cr: 22 kN | C0r: 7.35 kN | Grease speed: 7100 rpm
1209Kd: 45 mm | D: 85 mm | B: 19 mm | Cr: 22 kN | C0r: 7.35 kN | Grease speed: 7100 rpm
1210d: 50 mm | D: 90 mm | B: 20 mm | Cr: 22.8 kN | C0r: 8.1 kN | Grease speed: 6300 rpm
1210Kd: 50 mm | D: 90 mm | B: 20 mm | Cr: 22.8 kN | C0r: 8.1 kN | Grease speed: 6300 rpm
1211d: 55 mm | D: 100 mm | B: 21 mm | Cr: 26.9 kN | C0r: 10 kN | Grease speed: 6000 rpm
1211Kd: 55 mm | D: 100 mm | B: 21 mm | Cr: 26.9 kN | C0r: 10 kN | Grease speed: 6000 rpm
1212d: 60 mm | D: 110 mm | B: 22 mm | Cr: 30.5 kN | C0r: 11.5 kN | Grease speed: 5300 rpm
1212Kd: 60 mm | D: 110 mm | B: 22 mm | Cr: 30.5 kN | C0r: 11.5 kN | Grease speed: 5300 rpm
1213d: 65 mm | D: 120 mm | B: 23 mm | Cr: 31 kN | C0r: 12.5 kN | Grease speed: 4800 rpm
1213Kd: 65 mm | D: 120 mm | B: 23 mm | Cr: 31 kN | C0r: 12.5 kN | Grease speed: 4800 rpm
1214d: 70 mm | D: 125 mm | B: 24 mm | Cr: 35 kN | C0r: 13.8 kN | Grease speed: 4800 rpm
1215d: 75 mm | D: 130 mm | B: 25 mm | Cr: 39 kN | C0r: 15.7 kN | Grease speed: 4300 rpm
1215Kd: 75 mm | D: 130 mm | B: 25 mm | Cr: 39 kN | C0r: 15.7 kN | Grease speed: 4300 rpm
1216d: 80 mm | D: 140 mm | B: 26 mm | Cr: 40 kN | C0r: 17 kN | Grease speed: 4000 rpm
1216Kd: 80 mm | D: 140 mm | B: 26 mm | Cr: 40 kN | C0r: 17 kN | Grease speed: 4000 rpm
1217d: 85 mm | D: 150 mm | B: 28 mm | Cr: 49.5 kN | C0r: 20.8 kN | Grease speed: 3800 rpm
1217Kd: 85 mm | D: 150 mm | B: 28 mm | Cr: 49.5 kN | C0r: 20.8 kN | Grease speed: 3800 rpm
1218d: 90 mm | D: 160 mm | B: 30 mm | Cr: 57.5 kN | C0r: 23.5 kN | Grease speed: 3600 rpm
1218Kd: 90 mm | D: 160 mm | B: 30 mm | Cr: 57.5 kN | C0r: 23.5 kN | Grease speed: 3600 rpm
1219d: 95 mm | D: 170 mm | B: 32 mm | Cr: 64 kN | C0r: 27.1 kN | Grease speed: 3400 rpm
1219Kd: 95 mm | D: 170 mm | B: 32 mm | Cr: 64 kN | C0r: 27.1 kN | Grease speed: 3400 rpm
1220d: 100 mm | D: 180 mm | B: 34 mm | Cr: 69.5 kN | C0r: 29.7 kN | Grease speed: 3200 rpm
1220Kd: 100 mm | D: 180 mm | B: 34 mm | Cr: 69.5 kN | C0r: 29.7 kN | Grease speed: 3200 rpm
1221d: 105 mm | D: 190 mm | B: 36 mm | Cr: 75 kN | C0r: 32.5 kN | Grease speed: 3000 rpm
1222d: 110 mm | D: 200 mm | B: 38 mm | Cr: 87 kN | C0r: 38.5 kN | Grease speed: 2800 rpm
1222Kd: 110 mm | D: 200 mm | B: 38 mm | Cr: 87 kN | C0r: 38.5 kN | Grease speed: 2800 rpm

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