We are exporters of bearings, selling high quality bearings, made in China, if you have bearing requirements, please ask us for an inquiry.
sales@precision-bearings.com www.precision-bearings.com
Product number
| No. Teeth | Eff. No. Teeth | Outside Diameter | Pitch Diameter | Catalog Number | Type | Bore | Hub | Wt. Lbs. (Approx.) | ||
| Actual | Stock | Rec. Max. | Diameter | Length Thru Bore | ||||||
| 11 | 5.5 | 2.000 | 1.852 | 2040B11 | B | 12 | % | 138* | 78 | 0.343 |
| 12 | 6.0 | 2.170 | 2.000 | 2040B12 | B | 12 | % | 78 | 0.44 | |
| 13 | 6.5 | 2.330 | 2.152 | 2040B13 | B | 12 | % | n* | 78 | 0.48 |
| 14 | 7.0 | 2.490 | 2.305 | 2040B14 | B | 乂 | 114 | 1%* | 78 | 0.6 |
| 15 | 7.5 | 2.650 | 2.458 | 2040B15 | B | 58 | 1%2 | 1% | 78 | 0.66 |
| 16 | 8.0 | 2.810 | 2.613 | 2040B16 | B | 58 | 1932 | 178 | 78 | 0.76 |
| 17 | 8.5 | 2.980 | 2.768 | 2040B17 | B | 58 | 1516 | 2364 | 1 | 1.00 |
| 18 | 9.0 | 3.140 | 2.924 | 2040B18 | B | 58 | 1% | 2732 | 1 | 1.16 |
| 19 | 9.5 | 3.300 | 3.080 | 2040B19 | B | 58 | 158 | 238 | 1 | 1.36 |
| 20 | 10.0 | 3.460 | 3.236 | 2040B20 | B | 58 | 134 | 2% | 1 | 1.54 |
| 21 | 10.5 | 3.620 | 3.392 | 2040B21 | B | 58 | 12532 | 21 | 1 | 1.74 |
| 22 | 11.0 | 3.780 | 3.549 | 2040B22 | B | 58 | 178 | 278 | 1 | 1.92 |
| 23 | 11.5 | 3.940 | 3.706 | 2040B23 | B | 58 | 2 | 3 | 1 | 2.16 |
| 24 | 12.0 | 4.100 | 3.864 | 2040B24 | B | 58 | 2K | 3K | 1 | 2.44 |
| 25 | 12.5 | 4.260 | 4.021 | 2040B25 | B | 58 | 2X | 3X | 1 | 2.48 |
| 26 | 13.0 | 4.420 | 4.179 | 2040B26 | B | 58 | 2K | 3K | 1 | 2.60 |
| 28 | 14.0 | 4.740 | 4.494 | 2040B28 | B | 58 | 2X | 3X | 1 | 2.74 |
| 30 | 15.0 | 5.060 | 4.810 | 2040B30 | B | 58 | 2K | 3K | 1 | 2.92 |
| No. Teeth | Outside Diameter | Pitch Diameter | Catalog Number | Type | Bo re | Hub | Wt. Lbs. (Approx.) | Type | Catalog Number | Stock Bore | Wt. Lbs. (Approx.) | ||
| Actual | Stock | Rec. Max. | Dia. | Length Thru Bore | |||||||||
| 8 | 3.010 | 2.613 | 2042B8 | B | 58 | 19^2 | 178 | 78 | 0.72 | – | 一 | 一 | 一 |
| 9 | 3.350 | 2.924 | 2042B9 | B | 58 | 1% | 2732 | 78 | 1.02 | – | 一 | – | – |
| 10 | 3.680 | 3.236 | 2042B10 | B | 58 | 1% | 2% | 1 | 1.50 | – | 一 | – | – |
| 11 | 4.000 | 3.549 | 2042B11 | B | 58 | 178 | 258 | 1 | 1.68 | – | – | – | – |
| 12 | 4.330 | 3.864 | 2042B12 | B | 58 | 214 | 3沁 | 1 | 2.22 | – | 一 | – | – |
| 13 | 4.660 | 4.179 | 2042B13 | B | 58 | 214 | 3X | 1 | 2.56 | – | 一 | – | – |
| 14 | 4.980 | 4.494 | 2042B14 | B | 58 | 214 | 3K | 1 | 2.72 | – | – | – | – |
| 15 | 5.300 | 4.810 | 2042B15 | B | 58 | 214 | 3K | 1 | 2.90 | – | – | – | – |
| 16 | 5.630 | 5.126 | 2042B16 | B | 58 | 214 | 3K | 1 | 3.10 | A | 2042A16 | 1932 | 1.38 |
| 17 | 5.950 | 5.442 | 2042B17 | B | 58 | 214 | 3K | 1 | 3.40 | A | 2042A17 | 1932 | 1.66 |
| 18 | 6.270 | 5.759 | 2042B18 | B | 58 | 214 | 3X | 1 | 3.56 | A | 2042A18 | % | 1.88 |
| 19 | 6.590 | 6.076 | 2042B19 | B | 58 | 214 | 3K | 1 | 3.72 | A | 2042A19 | % | 2.06 |
| 20 | 6.910 | 6.392 | 2042B20 | B | 34 | 2% | 3M | 1% | 4.72 | A | 2042A20 | % | 2.40 |
| 21 | 7.240 | 6.710 | 2042B21 | B | 34 | 2% | 3% | 1% | 4.84 | A | 2042A21 | 2332 | 2.62 |
| 22 | 7.560 | 7.027 | 2042B22 | B | 34 | 2% | 3% | 1% | 5.18 | A | 2042A22 | 2332 | 2.88 |
| 23 | 7.880 | 7.344 | 2042B23 | B | 34 | 2% | 3M | 1% | 5.04 | A | 2042A23 | % | 3.14 |
| 24 | 8.200 | 7.661 | 2042B24 | B | 34 | 2% | 3% | 1% | 5.58 | A | 2042A24 | 2332 | 3.22 |
| 25 | 8.520 | 7.979 | 2042B25 | B | 34 | 2% | 3M | 1% | 5.96 | A | 2042A25 | % | 3.50 |
| 26 | 8.840 | 8.296 | 2042B26 | B | 34 | 2% | 3% | 1% | 6.22 | A | 2042A26 | 2332 | 3.74 |
| 28 | 9.480 | 8.931 | 2042B28 | B | 34 | 2% | 3% | 1% | 6.78 | A | 2042A28 | 2332 | 4.76 |
| 30 | 10.110 | 9.567 | 2042B30 | B | 34 | 2% | 3% | 1% | 7.56 | A | 2042A30 | 2332 | 5.08 |
| No. Teeth | Eff. No. Teeth | Outside Diameter | Pitch Diameter | Catalog Number | Type | Bore | Hub | Wt. Lbs. (Approx) | Type | Catalog Number | Stock Bore | Wt. Lbs. (Approx.) | ||
| Actual | Stock | Rec. Max. | Dia. | Length Thru Bore | ||||||||||
| 11 | 5.5 | 2.500 | 2.315 | 2050B11 | B | 58 | % | 13/* | 1 | 0.62 | – | – | – | – |
| 12 | 6.0 | 2.710 | 2.500 | 2050B12 | B | 58 | 1 | 1% | 1 | 0.80 | – | – | – | – |
| 13 | 6.5 | 2.910 | 2.690 | 2050B13 | B | 58 | 1%2 | r%2 | 1 | 0.82 | – | – | – | – |
| 14 | 7.0 | 3.110 | 2.881 | 2050B14 | B | 58 | 1932 | 1% | 1 | 1.00 | – | – | – | – |
| 15 | 7.5 | 3.320 | 3.073 | 2050B15 | B | 58 | 1% | 25^2 | 1 | 1.22 | – | – | – | – |
| 16 | 8.0 | 3.520 | 3.266 | 2050B16 | B | 58 | 11932 | 2% | 1 | 1.44 | – | – | – | – |
| 17 | 8.5 | 3.720 | 3.460 | 2050B17 | B | 58 | 134 | 2沁 | 1 | 1.68 | – | – | – | – |
| 18 | 9.0 | 3.920 | 3.655 | 2050B18 | B | 58 | 1% | 2% | 1 | 1.94 | – | – | – | – |
| 19 | 9.5 | 4.120 | 3.850 | 2050B19 | B | 58 | 1% | 2% | 1 | 2.24 | – | – | – | – |
| 20 | 10.0 | 4.320 | 4.045 | 2050B20 | B | 34 | 2 | 3 | 1 | 2.30 | – | – | – | – |
| 21 | 10.5 | 4.520 | 4.241 | 2050B21 | B | 34 | 2 | 3 | 1 | 2.40 | – | – | – | – |
| 22 | 11.0 | 4.720 | 4.437 | 2050B22 | B | 34 | 2 | 3 | 1 | 2.54 | – | – | – | – |
| 23 | 11.5 | 4.920 | 4.633 | 2050B23 | B | 34 | 2 | 3 | 1 | 2.66 | – | – | – | – |
| 24 | 12.0 | 5.120 | 4.830 | 2050B24 | B | 34 | 2 | 3 | 1K | 3.30 | A | 2050A24 | 2332 | 1.58 |
| 25 | 12.5 | 5.320 | 5.026 | 2050B25 | B | 34 | 2 | 3 | 1X | 3.42 | A | 2050A25 | % | 1.68 |
| 26 | 13.0 | 5.520 | 5.223 | 2050B26 | B | 34 | 2 | 3 | 1K | 3.62 | A | 2050A26 | 2332 | 1.88 |
| 28 | 14.0 | 5.920 | 5.617 | 2050B28 | B | 34 | 2 | 3 | 1X | 3.78 | A | 2050A28 | % | 2.22 |
| 30 | 15.0 | 6.320 | 6.012 | 2050B30 | B | 34 | 214 | 314 | 114 | 4.58 | A | 2050A30 | 2332 | 2.54 |
We are exporters of bearings, selling high quality bearings, made in China, if you have bearing requirements, please ask us for an inquiry.
sales@precision-bearings.com www.precision-bearings.com