NTN - Ball and Roller Bearings
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SERIES<br />
12<br />
12K<br />
Units:<br />
INCHES<br />
Millimeters<br />
SELF-ALIGNING BALL BEARINGS<br />
Fillet Basic Load<br />
Limiting Speeds<br />
Bearing No. Bore O.D. Width<br />
Weight (lbs)<br />
Radius Ratings (lbs)<br />
(rpm)<br />
Dynamic Static Grease Oil<br />
12 12K d D B r C C0 12 12K<br />
1200 — 0.3937 1.1811 0.3543 0.024 1,230 268 .075 — 21,000 24,000<br />
10 30 9 0.6<br />
1201 — 0.4724 1.2598 0.3937 0.024 1,260 286 .088 — 18,000 22,000<br />
12 32 10 0.6<br />
1202 — 0.5906 1.3780 0.4331 0.024 1,680 395 .108 — 16,000 19,000<br />
15 35 11 0.6<br />
1203 — 0.6693 1.5748 0.4724 0.024 1,770 450 .161 — 14,000 17,000<br />
17 40 12 0.6<br />
1204 1204K 0.7874 1.8504 0.5512 0.039 2,230 585 .265 .26 13,000 15,000<br />
20 47 14 1.0<br />
1205 1205K 0.9843 2.0472 0.5906 0.039 2,720 740 .311 .304 11,000 13,000<br />
25 52 15 1.0<br />
1206 1206K 1.1811 2.4409 0.6299 0.039 3,500 1,050 .485 .476 9,200 11,000<br />
30 62 16 1.0<br />
1207 1207K 1.3780 2.8346 0.6693 0.043 3,550 1,150 .712 .699 8,000 9,400<br />
35 72 17 1.1<br />
1208 1208K 1.5748 3.1496 0.7087 0.043 4,350 1,470 .919 .906 7,100 8,400<br />
40 80 18 1.1<br />
1209 1209K 1.7717 3.3465 0.7480 0.043 4,900 1,650 1.03 1.01 6,400 7,500<br />
45 85 19 1.1<br />
1210 1210K 1.9685 3.5433 0.7874 0.043 5,100 1,820 1.16 1.14 5,800 6,800<br />
50 90 20 1.1<br />
1211 1211K 2.1654 3.9370 0.8268 0.059 6,000 2,250 1.55 1.53 5,300 6,200<br />
55 100 21 1.5<br />
1212 1212K 2.3622 4.3307 0.8661 0.059 6,800 2,590 1.98 1.95 4,900 5,800<br />
60 110 22 1.5<br />
1213 1213K 2.5591 4.7244 0.9055 0.059 6,950 2,820 2.54 2.49 4,500 5,300<br />
65 120 23 1.5<br />
1214 — 2.7559 4.9213 0.9449 0.059 7,800 3,100 2.78 — 4,200 4,900<br />
70 125 24 1.5<br />
Cylindrical<br />
Bore<br />
12<br />
1215 1215K 2.9528 5.1181 0.9843 0.059 8,750 3,550 3 2.95 3,900 4,600<br />
75 130 25 1.5<br />
1216 1216K 3.1496 5.5118 1.0236 0.079 8,950 3,800 3.68 3.62 3,700 4,300<br />
80 140 26 2<br />
1217 1217K 3.3465 5.9055 1.1024 0.079 11,000 4,650 4.56 4.5 3,500 4,100<br />
85 150 28 2<br />
1218 1218K 3.5433 6.2992 1.1811 0.079 12,800 5,300 5.56 5.47 3,300 3,800<br />
90 160 30 2<br />
1219 1219K 3.7402 6.6929 1.2598 0.083 14,300 6,100 6.83 6.72 3,100 3,600<br />
95 170 32 2.1<br />
1220 1220K 3.9370 7.0866 1.3386 0.083 15,500 6,700 8.16 8.02 2,900 3,400<br />
100 180 34 2.1<br />
1221 — 4.1339 7.4803 1.4173 0.083 16,700 7,300 9.63 — 2,800 3,300<br />
105 190 36 2.1<br />
1222 1222K 4.3307 7.8740 1.4961 0.083 18,100 7,950 11.4 11.2 2600 3100<br />
110 200 38 2.1<br />
Tapered Bore<br />
12K<br />
Taper 1:12<br />
The d dimension for the tapered bore is measured from the side of the bearing with the smallest bore dimension.<br />
58
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