| Specification | Steel NO. | HRC | Chemical composition % | ||||||
| C | Si | Mn | Mo | S | P | Cr | |||
| GB/T 18254 | Gcr 15 | 61-65 | 0.95~1.05 | 0.15~0.35 | 0.25~0.45 | below 0.08 | below 0.025 | below 0.025 | 1.40~1.65 |
| thrust ball bearing | |||||||||
| Part No. | d/mm | D/mm | B/mm | Weight/kg | Part No. | d/mm | D/mm | B/mm | Weight/kg |
| 511 serie | 513 serie | ||||||||
| 51100 | 10 | 24 | 9 | 0.019 | 51304 | 20 | 47 | 18 | 0.15 |
| 51101 | 12 | 26 | 9 | 0.021 | 51305 | 25 | 52 | 19 | 0.171 |
| 51102 | 15 | 28 | 9 | 0.024 | 51306 | 30 | 60 | 21 | 0.25 |
| 51103 | 17 | 30 | 9 | 0.025 | 51307 | 35 | 68 | 24 | 0.378 |
| 51104 | 20 | 35 | 10 | 0.038 | 51308 | 40 | 78 | 26 | 0.23 |
| 51105 | 25 | 42 | 11 | 0.056 | 51309 | 45 | 85 | 28 | 0.67 |
| 51106 | 30 | 47 | 11 | 0.06 | 51310 | 50 | 95 | 31 | 1 |
| 51107 | 35 | 52 | 12 | 0.066 | 51311 | 55 | 105 | 35 | 1.34 |
| 51108 | 40 | 60 | 13 | 0.12 | 51314 | 70 | 125 | 40 | 1.93 |
| 51109 | 45 | 65 | 14 | 0.15 | 51315 | 75 | 135 | 44 | 2.7 |
| 51110 | 50 | 70 | 14 | 0.16 | 51316 | 80 | 140 | 44 | 2.8 |
| 51111 | 55 | 78 | 16 | 0.24 | 51317 | 85 | 150 | 49 | 3.7 |
| 51112 | 60 | 85 | 17 | 0.29 | 51320 | 100 | 170 | 55 | 5.1 |
| 51113 | 65 | 90 | 17 | 0.324 | 51322 | 110 | 190 | 63 | 7.9 |
| 51114 | 70 | 95 | 18 | 0.36 | 51324 | 120 | 210 | 70 | 10.9 |
| 51115 | 75 | 110 | 19 | 0.392 | 51326 | 130 | 225 | 75 | 13.3 |
| 51116 | 80 | 105 | 19 | 0.404 | 51328 | 140 | 240 | 80 | 14.904 |
| 51117 | 85 | 110 | 19 | 0.46 | 51330 | 150 | 250 | 80 | 16.7 |
| 51118 | 90 | 120 | 22 | 0.64 | 51332M | 160 | 270 | 87 | 20.456 |
| 51119 | 95 | 125 | 23 | 1 | 51334M | 170 | 280 | 87 | 23.4 |
| 51120 | 100 | 130 | 25 | 1 | 51336M | 180 | 300 | 95 | 27.5 |
| 51122 | 110 | 145 | 25 | 1.08 | 51338M | 190 | 320 | 105 | 41 |
| 51124 | 120 | 155 | 25 | 1.16 | 51340M | 200 | 340 | 110 | 44 |
| 51126 | 130 | 170 | 30 | 1.8 | 51348M | 240 | 380 | 112 | 51 |
| 51128 | 140 | 180 | 31 | 2.1 | 51368M | 340 | 540 | 160 | 138 |
| 51130 | 150 | 190 | 31 | 2.2 | 51368F | 340 | 540 | 160 | 138 |
| 51132 | 160 | 200 | 31 | 2.3 | 514 serie | ||||
| 51134 | 170 | 215 | 34 | 3.3 | 51405 | 25 | 60 | 24 | 0.34 |
| 51136 | 180 | 225 | 34 | 3.5 | 51406 | 30 | 70 | 28 | 0.35 |
| 51138 | 190 | 240 | 37 | 4.1 | 51407 | 35 | 80 | 32 | 0.82 |
| 51140M | 200 | 250 | 37 | 4.2 | 51408 | 40 | 90 | 36 | 1.18 |
| 51144 | 220 | 270 | 37 | 4.65 | 51409 | 45 | 100 | 39 | 1.64 |
| 51152 | 240 | 300 | 45 | 7.49 | 51410 | 50 | 110 | 43 | 1.99 |
| 51156 | 280 | 250 | 53 | 12.3 | 51411 | 55 | 120 | 48 | 2.82 |
| 51160 | 300 | 380 | 62 | 17.5 | 51412 | 60 | 130 | 51 | 3.3 |
| 51164 | 320 | 400 | 63 | 18.76 | 51413 | 65 | 140 | 56 | 4.2 |
| 51168 | 340 | 420 | 64 | 19.76 | 51414 | 70 | 150 | 60 | 5.18 |
| 51172 | 360 | 440 | 65 | 22 | 51415 | 75 | 160 | 65 | 6.97 |
| 51180 | 400 | 480 | 65 | 23.8 | 51416 | 80 | 170 | 68 | 8 |
| 51184 | 420 | 500 | 65 | 25.2 | 51417 | 85 | 180 | 72 | 9.5 |
| 51192 | 460 | 560 | 80 | 43 | 51418 | 90 | 190 | 77 | 9.76 |
| 51196 | 480 | 580 | 80 | 43.9 | 51420 | 100 | 210 | 85 | 14.9 |
| 512 serie | 51426 | 130 | 270 | 110 | 29.7 | ||||
| 51200 | 10 | 26 | 11 | 0.0293 | 51428 | 140 | 280 | 112 | 32.2 |
| 51201 | 12 | 28 | 11 | 0.0324 | 51430 | 150 | 300 | 209 | 68.1 |
| 51202 | 15 | 32 | 12 | 0.0444 | 517 serie | ||||
| 51203 | 17 | 35 | 12 | 0.0506 | 51705 | 25 | 45 | 14 | 0.0917 |
| 51204 | 20 | 40 | 14 | 0.0773 | 51706 | 30 | 50 | 14 | 0.106 |
| 51205 | 25 | 47 | 15 | 0.109 | 51707 | 35 | 55 | 16 | 0.141 |
| 51206 | 30 | 52 | 16 | 0.138 | 51708 | 40 | 60 | 16 | 0.156 |
| 51207 | 36 | 62 | 18 | 0.22 | 51709 | 45 | 68 | 16 | 0.201 |
| 51208 | 40 | 68 | 19 | 0.27 | 51726 | 130 | 170 | 27 | 1.65 |
| 51209 | 45 | 73 | 20 | 0.32 | 51730 | 150 | 200 | 35 | 3.15 |
| 51210 | 50 | 78 | 22 | 0.39 | 51746 | 230 | 300 | 53.4 | 10.1 |
| 51211 | 55 | 90 | 25 | 0.619 | 51760 | 300 | 435 | 104 | 10.1 |
| 51212 | 60 | 95 | 26 | 0.69 | 51759 | 295 | 430 | 104 | 51 |
| 51213 | 65 | 100 | 27 | 0.75 | 51770 | 350 | 400 | 85 | 52 |
| 51214 | 70 | 105 | 27 | 0.79 | 51784 | 420 | 550 | 80 | 53.6 |
| 51215 | 75 | 110 | 27 | 0.85 | 51791 | 455 | 650 | 120 | 31 |
| 51216 | 80 | 115 | 28 | 0.925 | 53 serie | ||||
| 51217 | 85 | 125 | 31 | 1.3 | 53201 | 12 | 28 | 11.4 | 0.045 |
| 51218 | 90 | 135 | 35 | 1.77 | 53202 | 15 | 32 | 13.3 | 0.05 |
| 51220 | 100 | 150 | 38 | 2.4 | 53203 | 17 | 35 | 13.2 | 0.055 |
| 51222 | 110 | 160 | 38 | 2.6 | 53204 | 20 | 40 | 14.7 | 0.1 |
| 51224 | 120 | 170 | 39 | 2.9 | 53205 | 25 | 47 | 16.7 | 0.15 |
| 51226 | 130 | 190 | 45 | 3.91 | 53207 | 35 | 62 | 19.9 | 0.28 |
| 51228 | 140 | 220 | 46 | 4.6 | 53208 | 40 | 68 | 20.3 | 0.35 |
| 51230 | 150 | 215 | 50 | 5.8 | 53209 | 45 | 73 | 21.3 | 0.39 |
| 51232 | 160 | 225 | 51 | 6.7 | 53210 | 50 | 78 | 23.5 | 0.404 |
| 51234 | 170 | 240 | 55 | 8.3 | 53211 | 55 | 90 | 27.3 | 0.656 |
| 51236 | 180 | 250 | 56 | 8.9 | 53212 | 60 | 95 | 28 | 0.82 |
| 51238 | 190 | 270 | 62 | 11.9 | 53213 | 65 | 100 | 28.7 | 0.91 |
| 51240 | 100 | 280 | 62 | 12.4 | 53214 | 70 | 105 | 28.8 | 0.97 |
| 51244 | 220 | 300 | 63 | 13.7 | 53215 | 75 | 110 | 28.3 | 1.01 |
| 51252 | 260 | 360 | 79 | 25.5 | 53216 | 80 | 115 | 29.5 | 1.1 |
| 51256 | 280 | 380 | 90 | 27.8 | 53217 | 85 | 125 | 33.1 | 1.35 |
| 51260 | 300 | 420 | 95 | 42.5 | 53218 | 90 | 135 | 28.5 | 2.1 |
| 51264 | 320 | 440 | 95 | 42.97 | 53220 | 100 | 150 | 40.9 | 2.23 |
| 51268 | 340 | 460 | 96 | 44.98 | 53222 | 110 | 160 | 67 | 2.65 |
| 51272 | 360 | 500 | 110 | 69.18 | 53224 | 120 | 170 | 40.6 | 3.2 |
| 51280 | 400 | 540 | 112 | 74.49 | 53308 | 40 | 78 | 28.5 | 0.561 |
| 522 serie | 53309 | 45 | 85 | 30.1 | 0.664 | ||||
| 52202 | 15 | 32 | 22 | 0.082 | 53310 | 50 | 95 | 34.3 | 0.97 |
| 52204 | 20 | 40 | 26 | 0.144 | 53311 | 55 | 105 | 39.3 | 1.38 |
| 52205 | 25 | 47 | 28 | 0.23 | 53312 | 60 | 110 | 38.3 | 1.41 |
| 52206 | 30 | 52 | 29 | 0.27 | 53313 | 65 | 115 | 39.4 | 1.61 |
| 52207 | 35 | 62 | 34 | 0.42 | 53314 | 70 | 125 | 44.2 | 2.09 |
| 52208 | 40 | 68 | 36 | 0.54 | 53315 | 75 | 135 | 43.1 | 2.72 |
| 52209 | 45 | 73 | 37 | 0.64 | 53316 | 80 | 140 | 47.6 | 2.85 |
| 52210 | 50 | 78 | 39 | 0.71 | 53320 | 100 | 170 | 59.2 | 5.1 |
| 52211 | 55 | 90 | 45 | 1.12 | 53322U | 110 | 190 | 72 | 8.96 |
| 52212 | 60 | 95 | 46 | 1.15 | 53417M | 85 | 180 | 77 | 9.2 |
| 52213 | 65 | 100 | 47 | 1.36 | 53420U | 100 | 210 | 98 | 17.9 |
| 52214 | 70 | 105 | 47 | 1.52 | 53426U | 130 | 270 | 128 | 35.3 |
| 52215 | 75 | 110 | 47 | 1.6 | |||||
| 52216 | 80 | 115 | 48 | 1.73 | |||||
| 52217 | 85 | 125 | 55 | 2.22 | |||||
| 52218 | 90 | 135 | 62 | 3.14 | |||||
| 52220 | 100 | 150 | 67 | 4.2 | |||||
| 52224 | 120 | 170 | 68 | 5.3 | |||||
| 52230M | 150 | 215 | 89 | 10.4 | |||||
| 52232 | 160 | 225 | 90 | 11.97 | |||||
| 52236 | 180 | 250 | 98 | 15.9 | |||||
| 52238 | 190 | 270 | 109 | 24.3 | |||||
| 52240M | 100 | 280 | 109 | 22.7 | |||||
| 52244UM | 220 | 300 | 75 | 13.7 | |||||
| 52305 | 25 | 52 | 34 | 0.321 | |||||
| 52306 | 30 | 60 | 38 | 0.494 | |||||
| 52307 | 35 | 68 | 44 | 0.71 | |||||
| 52308 | 40 | 78 | 49 | 1.06 | |||||
| 52309 | 45 | 85 | 32 | 1.26 | |||||
| 52310 | 50 | 95 | 58 | 1.68 | |||||
| 52311 | 55 | 105 | 64 | 2.5 | |||||
| 52312 | 60 | 110 | 64 | 2.7 | |||||
| 52313 | 65 | 115 | 65 | 2.9 | |||||
| 52314 | 70 | 125 | 72 | 3.9 | |||||
| 52315 | 75 | 135 | 79 | 5 | |||||
| 52316 | 80 | 140 | 79 | 6.2 | |||||
| 52320 | 100 | 170 | 97 | 9.112 | |||||
| 52322 | 110 | 190 | 110 | 12.5 | |||||
| 52324 | 120 | 210 | 80 | 12.4 | |||||
| 52330 | 150 | 250 | 140 | 31.63 | |||||
| 52410 | 50 | 110 | 78 | 3.43 | |||||
| 52414 | 70 | 150 | 107 | 9.168 | |||||
| 52420 | 100 | 210 | 150 | 24.6 | |||||
| 52422M | 110 | 230 | 166 | 33.3 | |||||
| 52430 | 150 | 300 | 209 | 68.1 | |||||