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Extended Inner Ring Bearings
Self-aligning bearings with an extended inner ring are used in applications employing commercial ground shafting. A special bore tolerance allows easy mounting and dismounting.
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Self-aligning ball bearings have two rows of balls, a common sphered raceway in the outer ring and two deep uninterrupted raceway grooves in the inner ring. They are available open or sealed. The bearings are insensitive to angular misalignment of the shaft relative to the housing , which can be caused, for example, by shaft deflection.
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Self Aligning Ball Bearing
Self-aligning bearings with an extended inner ring are used in applications employing commercial ground shafting. A special bore tolerance allows easy mounting and dismounting.with an extended inner ring are used in applications employing commercial ground shafting. A special bore tolerance allows easy mounting and dismounting.
Self-aligning bearings Size Chart
Designasions Cylindrical bore | Designasions Tapered hole | Boundary dimensions(mm) | Basic load ratings(kN) | Limiting speed(rpm ) | Mass(kg) | ||||||||
Old spec. | Designasions | Old spec. | Designasions | d | D | B | r | Dynamic(Cr) | Static(Cor) | Grease | Oil | Cylindrical bore | Tapered bore |
1206 | 1206 | 111206 | 1206 | 30 | 62 | 160 | 1 | 12 | 4.7 | 10000 | 1300 | 0.228 | 0.223 |
1506 | 2206 | 111506 | 2206K | 62 | 20 | 1 | 11.7 | 4.56 | 9500 | 1200 | 0.26 | 0.254 | |
1506A | 2206TN1 | 62 | 20 | 1 | 11.7 | 4.56 | 9500 | 12000 | 0.242 | ||||
1606 | 2306 | 111606 | 2306K | 72 | 27 | 1.1 | 24 | 8.68 | 8500 | 10000 | 0.515 | 0.515 | |
1606A | 2306TN1 | 72 | 27 | 1.1 | 24 | 8.68 | 8500 | 10000 | 0.494 | ||||
1207 | 1207 | 111207 | 1207K | 35 | 72 | 17 | 1.1 | 12.1 | 5.12 | 9000 | 11000 | 0.318 | 0.312 |
1207A | 1207TN1 | 111207A | 1207KTN1 | 72 | 17 | 1.1 | 12.1 | 5.12 | 9000 | 11000 | 0.309 | 0.303 | |
1507 | 2207 | 111507 | 2207 | 72 | 23 | 1.1 | 16.5 | 6.6 | 8500 | 10000 | 0.604 | 0.544 | |
1507A | 2207TN1 | 72 | 23 | 1.1 | 16.5 | 6.6 | 8500 | 10000 | 0.587 | ||||
1307 | 1307 | 111307 | 1307 | 80 | 21 | 1.5 | 19.6 | 7.94 | 7500 | 900 | 0.507 | 0.048 | |
1307A | 1307 | 111307A | 1307KTN | 80 | 21 | 1.5 | 18.7 | 7.38 | 7500 | 900 | 0.486 | 0.485 | |
1607 | 2307 | 111607 | 2307K | 80 | 31 | 1.5 | 30 | 11.1 | 7000 | 8500 | 0.675 | 0.662 | |
1607A | 2307TN1 | 80 | 31 | 1.5 | 30 | 11.1 | 7000 | 8500 | 0.659 | ||||
1208 | 1208 | 111208 | 1208K | 40 | 80 | 18 | 1.1 | 14.8 | 6.51 | 8500 | 10000 | 0.41 | 0.402 |
1208A | 1208TN191 | 111208A | 1208KTN1 | 80 | 18 | 1.1 | 14.8 | 6.51 | 8500 | 10000 | 0.402 | 0.91 | |
1508 | 2208 | 111508 | 2208K | 80 | 23 | 1.1 | 17.1 | 7.37 | 7500 | 9000 | 0.52 | 0.52 | |
1508A | 2208YN1 | 111508A | 2208KTN1 | 80 | 23 | 1.1 | 16.4 | 6.91 | 7500 | 9000 | 0.476 | 0.475 | |
1308 | 1308 | 111308 | 1308K | 90 | 23 | 1.5 | 22.8 | 9.83 | 6700 | 8000 | 0.714 | 0.714 | |
1308A | 1308TN1 | 111308A | 1308KTN1 | 90 | 23 | 1.5 | 21.8 | 9.18 | 6700 | 8000 | 0.688 | 688 | |
1608 | 2308 | 111608 | 2308K | 90 | 33 | 1.5 | 34.2 | 13.2 | 6300 | 7500 | 0.959 | 0.944 | |
1608A | 2308TN1 | 111608A | 2308KTN1 | 90 | 33 | 1.5 | 32.3 | 12.1 | 6300 | 7500 | 0.901 | 0.901 | |
1209 | 1209 | 111209 | 1209K | 45 | 85 | 19 | 1.1 | 16.7 | 7.33 | 7500 | 9000 | 0.469 | 0.46 |
1209A | 1209TN1 | 111209A | 1209KTN1 | 85 | 19 | 1.1 | 16.7 | 7.33 | 7500 | 9000 | 0.458 | 0.446 | |
1509 | 2209 | 111509 | 2209K | 85 | 23 | 1.1 | 17.8 | 8.11 | 7000 | 8500 | 0.553 | 0.5 | |
1509A | 2209TN1 | 111509A | 2209KTN1 | 85 | 23 | 1.1 | 16.5 | 7.21 | 7000 | 8500 | 0.553 | 0.5 | |
1309 | 1309 | 111309 | 1309K | 100 | 25 | 1.5 | 29.4 | 12.8 | 6300 | 7500 | 0.951 | 0.946 | |
1309A | 1309TN1 | 111309A | 1309KTN1 | 100 | 25 | 1.5 | 28.1 | 12 | 6300 | 7500 | 0.92 | 0.915 | |
1609 | 2309 | 111609 | 2309K | 100 | 36 | 1.5 | 41.5 | 16.3 | 5600 | 6700 | 1.24 | 1.23 | |
1210 | 1210 | 111210 | 1210K | 50 | 90 | 20 | 1.1 | 17.4 | 8.09 | 7000 | 8500 | 0.547 | 0.543 |
1210A | 1210TN1 | 111210A | 1210KTN1 | 90 | 20 | 1.1 | 17.4 | 8.09 | 7000 | 8500 | 0.535 | 0.531 | |
1510 | 2210 | 111510 | 2210K | 90 | 23 | 1.1 | 17.2 | 8.02 | 6300 | 7500 | 0.618 | 0.539 | |
1510A | 2210TN1 | 111510A | 2210KTN1 | 90 | 23 | 1.1 | 16.6 | 7.58 | 6300 | 7500 | 0.567 | 0.489 | |
1310 | 1310 | 111310 | 1310K | 110 | 27 | 2 | 33.5 | 14.1 | 5600 | 6700 | 1.21 | 1.19 | |
1610 | 2310 | 111610 | 2310K | 110 | 40 | 2 | 49.1 | 19.7 | 5300 | 6300 | 1.66 | 1.65 | |
1211 | 1211 | 111211 | 1211K | 55 | 100 | 21 | 1.5 | 20.6 | 10 | 6300 | 7500 | 0.708 | 0.708 |
1211A | 11TN1 | 111211A | 1211KTN1 | 100 | 21 | 1.5 | 20.6 | 10.3 | 6300 | 7500 | 0.681 | 0.68 | |
1511 | 2211 | 111511 | 2211K | 100 | 25 | 1.5 | 19.7 | 9.42 | 6000 | 7000 | 0.824 | 0.812 | |
1311 | 1311 | 111311 | 1311K | 120 | 29 | 2 | 39.8 | 18.2 | 5000 | 6000 | 1.57 | 1.57 | |
1311A | 1311TN1 | 111311A | 1311KTN1 | 120 | 29 | 2 | 38 | 16.9 | 5000 | 6000 | 1.51 | 1.52 | |
1611 | 2311 | 111611 | 2311K | 120 | 43 | 2 | 57.5 | 23.5 | 4300 | 5000 | 2.1 | 2.05 | |
1212 | 1212 | 111212 | 1212K | 60 | 110 | 22 | 1.5 | 23.3 | 11.6 | 5600 | 6700 | 0.892 | 0.877 |
1212A | 1212TN1 | 111212A | 1212KTN1 | 110 | 22 | 1.5 | 23.3 | 11.6 | 5600 | 6700 | 0.87 | 0.855 | |
1512 | 2212 | 111512 | 2212K | 110 | 28 | 1.5 | 27.1 | 13.2 | 5300 | 6300 | 1.16 | 1.14 | |
1512A | 2212TN1 | 111512A | 2212KTN1 | 110 | 28 | 1.5 | 26.1 | 12.5 | 5300 | 6300 | 1.09 | 1.07 | |
1312 | 1312 | 111312 | 1312K | 130 | 31 | 2.1 | 44.8 | 21.1 | 4500 | 5300 | 1.98 | 1.98 | |
1312A | 1312TN1 | 111312A | 1312KTN1 | 130 | 31 | 2.1 | 43 | 19.8 | 4500 | 5300 | 1.92 | 1.9 | |
1612 | 2312 | 111612 | 2312K | 130 | 46 | 2.1 | 66.4 | 27.6 | 4500 | 5300 | 2.61 | 2.6 | |
1412 | 150 | 35 | 2.1 | 59 | 28.4 | 3800 | 4500 | 3.26 | |||||
1412H | 65 | 150 | 35 | 2.1 | 56.5 | 26.7 | 3800 | 4500 | 3.31 | ||||
1213 | 1213 | 111213 | 1213K | 120 | 23 | 1.5 | 24 | 12.3 | 5300 | 6300 | 0.915 | 0.915 | |
1213A | 1213TN1 | 111213A | 1213KTN1 | 120 | 23 | 1.5 | 24 | 12.3 | 5300 | 6300 | 0.915 | 0.915 | |
1513 | 2213 | 111513 | 2213K | 120 | 31 | 1.5 | 33.4 | 16.3 | 5000 | 6000 | 1.5 | 1.49 | |
1313 | 1313 | 111313 | 1313K | 140 | 33 | 2.1 | 48.2 | 22.9 | 4300 | 5000 | 2.38 | 2.37 | |
1613 | 2313 | 111613 | 2313K | 140 | 48 | 2.1 | 73.7 | 32.4 | 4000 | 4800 | 3.22 | 3.21 | |
1214 | 1214 | 111214 | 1214K | 70 | 125 | 24 | 1.5 | 26.5 | 13.5 | 5000 | 6000 | 1.29 | 1.25 |
1514 | 2214 | 111514 | 2214K | 125 | 31 | 1.5 | 33.5 | 17 | 4800 | 5600 | 1.63 | 1.63 | |
1314 | 1314 | 111314 | 1314K | 150 | 35 | 2.1 | 57.5 | 27.8 | 4000 | 4800 | 2.98 | 2.09 | |
1614 | 2314 | 150 | 51 | 2.1 | 83.8 | 37.3 | 3800 | 4500 | 3.62 | ||||
1215 | 1215 | 111215 | 1215K | 75 | 130 | 25 | 1.5 | 29.9 | 15.5 | 4800 | 5600 | 1.35 | 1.35 |
1515 | 2215 | 111515 | 2215k | 130 | 31 | 1.5 | 34.1 | 17.9 | 4500 | 300 | 1.71 | 1.68 | |
1315 | 1315 | 111315 | 1315K | 160 | 37 | 2.1 | 61.3 | 29.9 | 3800 | 4500 | 3.55 | 3.49 | |
1615 | 2315 | 111615 | 2315K | 160 | 55 | 2.1 | 94.7 | 42.7 | 3400 | 4000 | 4.71 | 4.63 | |
1615A | 2315TN1 | 160 | 55 | 2.1 | 94.7 | 42.7 | 3400 | 4000 | 4.71 | ||||
1216 | 1216 | 111216 | 1216K | 80 | 140 | 26 | 2 | 30.8 | 16.9 | 4500 | 5300 | 1.65 | 1.59 |
1216A | 1616TN1 | 111216A | 1216KTN1 | 140 | 26 | 2 | 30.8 | 16.9 | 4500 | 5300 | 1.59 | 1.54 | |
1516 | 2216 | 111516 | 2216K | 140 | 33 | 2 | 37.5 | 19.9 | 4000 | 4800 | 2.19 | 2.05 | |
1316 | 1316 | 111316 | 1316K | 170 | 39 | 2.1 | 68.5 | 33.3 | 3600 | 4300 | 4.19 | 4.18 | |
1616 | 2316 | 111616 | 2316K | 170 | 58 | 2.1 | 98.5 | 45.4 | 3200 | 3800 | 5.7 | 5.55 | |
1616A | 2316TN1 | 170 | 58 | 2.1 | 98.5 | 45.4 | 3200 | 3800 | 5.77 | ||||
1616H | 2316M | 170 | 58 | 2.1 | 98.5 | 45.4 | 3200 | 3800 | 5.93 | ||||
1217 | 1217 | 111217 | 1217K | 85 | 150 | 28 | 2 | 37.9 | 20.5 | 4000 | 4800 | 2.1 | 2.07 |
1517 | 2217 | 111517 | 2217K | 150 | 36 | 2 | 44.8 | 23.6 | 3800 | 4500 | 2.53 | 2.48 | |
1317 | 1317 | 111317 | 1317K | 180 | 41 | 3 | 75.7 | 37.8 | 3400 | 4000 | 4.95 | 4.9 | |
1617 | 2317 | 111617 | 2317K | 180 | 60 | 3 | 107 | 51.4 | 3000 | 3600 | 6.73 | 6.56 | |
1218 | 1218 | 111218 | 1218K | 90 | 160 | 30 | 2 | 43.8 | 23.4 | 3800 | 4500 | 2.44 | 2.44 |
1518 | 2218 | 111518 | 2218K | 160 | 40 | 2 | 54 | 28.5 | 3400 | 4300 | 3.22 | 3.15 | |
1318 | 1318 | 190 | 43 | 3 | 90 | 45.1 | 3200 | 3800 | 5.99 | 5.7 | |||
1318K | 111318K | 190 | 43 | 3 | 90 | 45.1 | 3200 | 3800 | 5.7 | ||||
1618 | 2318 | 111618 | 2318K | 190 | 64 | 3 | 116 | 57.6 | 2800 | 3400 | 8.27 | 8.23 | |
1618K | 111618K | 190 | 64 | 3 | 116 | 57.5 | 2800 | 3400 | 7.82 | 7.79 | |||
1219 | 1219 | 111219 | 1219K | 95 | 170 | 32 | 2.1 | 49.2 | 27 | 3600 | 4300 | 3.06 | 3.02 |
1519 | 2219 | 111519 | 2219K | 170 | 43 | 2.1 | 64.2 | 34.1 | 3400 | 4000 | 5.38 | 5.3 | |
1319 | 1319 | 111319 | 1319K | 200 | 45 | 3 | 101 | 51.6 | 3000 | 3600 | 6.98 | 6.96 | |
1619K | 111619K | 200 | 67 | 3 | 126 | 64.2 | 2600 | 3200 | 9.2 | 9.16 | |||
1220 | 1220 | 111220 | 1220K | 100 | 180 | 34 | 2.1 | 53.3 | 29.5 | 3400 | 4000 | 3.68 | 3.67 |
1220K | 1112320K | 180 | 34 | 2.1 | 53.3 | 29.5 | 3400 | 4000 | 3.69 | 3.68 | |||
1520 | 2220 | 111520 | 2220K | 180 | 46 | 2.1 | 75 | 40.6 | 3200 | 3800 | 4.95 | 4.94 | |
1520K | 111520K | 180 | 46 | 2.1 | 72.4 | 38.5 | 3200 | 3800 | 4.61 | 4.61 | |||
1320 | 1320 | 215 | 47 | 3 | 110 | 58.1 | 2800 | 3400 | 8.64 | ||||
1320K | 111320K | 215 | 47 | 3 | 110 | 58.1 | 2800 | 3400 | 8.28 | ||||
1620 | 2320 | 111620 | 2320K | 215 | 73 | 3 | 147 | 78.5 | 2400 | 3000 | 12.4 | 12.3 | |
1620A | 2320TN1 | 215 | 73 | 3 | 147 | 78.5 | 2400 | 3000 | 11.4 | ||||
1620K | 2320J | 111620K1 | 2322KJ | 215 | 73 | 3 | 147 | 78.5 | 2400 | 3000 | 11.7 | 11.7 | |
1221 | 1221 | 105 | 190 | 36 | 2.1 | 57.5 | 32.1 | 3200 | 3800 | 4.71 | |||
1621 | 2321 | 225 | 77 | 3 | 149 | 79.3 | 3200 | 2800 | 14.4 | ||||
1222 | 1222 | 111222 | 1222K | 110 | 200 | 38 | 2.1 | 67.9 | 38.6 | 3000 | 3600 | 5.2 | 5.12 |
1222K | 111222K | 200 | 38 | 2.1 | 67.9 | 38.6 | 3000 | 3600 | 5.18 | 2.14 | |||
1522 | 2222 | 111522 | 2222K | 200 | 53 | 2.1 | 95.5 | 52.1 | 2800 | 3400 | 7.16 | 7 | |
1522K | 111522K | 200 | 53 | 2.1 | 95.5 | 52.1 | 2800 | 3400 | 6.66 | 6.65 | |||
1322 | 1322 | 111322 | 1322K | 240 | 50 | 3 | 126 | 71.8 | 2400 | 3000 | 11.9 | 11.8 | |
1322K | 111322K | 240 | 50 | 3 | 126 | 71.8 | 2400 | 3000 | 11.3 | 11.1 | |||
1622 | 2322 | 111622 | 2322K | 240 | 80 | 3 | 166 | 94.1 | 2200 | 2800 | 17.6 | 17.3 | |
1622A | 2322TN1 | 240 | 80 | 3 | 166 | 94.1 | 2200 | 2800 | 15.9 | ||||
1622K1 | 2322J | 111622K1 | 2322KJ | 240 | 80 | 3 | 166 | 94.1 | 2200 | 2800 | 16.1 | 15.8 | |
10001224 | 120 | 215 | 42 | 2.1 | 91.9 | 52.5 | 2000 | 2600 | 7.04 | ||||
1001224K | 215 | 42 | 2.1 | 88.8 | 49.9 | 2000 | 2600 | 5.96 | |||||
1111224K | 215 | 42 | 2.1 | 88.8 | 4.9 | 2000 | 2600 | 5.9 | |||||
1001228 | 140 | 250 | 50 | 3 | 119 | 72.1 | 1900 | 2500 | 11.3 | ||||
1730 | 150 | 235 | 36 | 3 | 79.7 | 52.8 | 2000 | 2600 | 6.25 |
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