zwa
Circular Ring Roller Bearing
bore 630-1250mm
Circular ring roller bearing combines the self-aligning ability of the spherical roller bearings with the unconstrained axial displacement capability of the cylindrical roller bearings. The application field of this bearing covers a wide range regarding to radial loads. ZWA circular ring roller bearings contains the one with the cage or without the cage.
The Products include
| Circular Ring Roller Bearing | |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d 630-1250mm | |||||||||||||||||||||||
| Basic Size | Basic load rating | Fatigue load limit | Rated Speed | Mass | Designation(Design) | Dimensions | Abutment and chamfer dimensions | Calculation coefficient | |||||||||||||||
| d | D | B | dynamic | static | Pu | Reference Speed | Limit Speed | Cylindrical bore | Tapered bore | d | d2 ～ | D1 ～ | r1.2 min | S11) ～ | damin | damax | Damin | Damax | Ca2)min | ramax | k1 | k2 | |
| C | Co | ||||||||||||||||||||||
| mm | kN | kN | r/min | kg | - | mm | mm | - | |||||||||||||||
| 630 | 850 | 165 | 4650 | 10000 | 640 | 530 | 700 | 270 | C39/630M | C39/630KM | 630 | 700 | 784 | 6 | 35.5 | 653 | 720 | 770 | 827 | 2.4 | 5 | 0.121 | 0.11 |
| 630 | 920 | 212 | 6800 | 12900 | 830 | 480 | 670 | 465 | C30/630M | C30/630KM | 630 | 717 | 840 | 7.5 | 48.1 | 658 | 755 | 810 | 892 | 2.9 | 6 | 0.118 | 0.104 |
| 630 | 1030 | 315 | 11800 | 20800 | 1290 | 400 | 560 | 1089 | C31/630MB | C31/630KMB | 630 | 749 | 919 | 7.5 | 31 | 662 | 745 | 920 | 998 | 26.8 | 6 | - | 0.109 |
| 670 | 900 | 170 | 5100 | 11600 | 720 | 480 | 630 | 335 | C39/670MB | C39/670KMB | 670 | 764 | 848 | 6 | 40.5 | 693 | 765 | 830 | 877 | 2.5 | 5 | - | 0.113 |
| 670 | 980 | 230 | 8150 | 16300 | 1000 | 430 | 600 | 580 | C30/670M | C30/670KM | 670 | 775 | 904 | 7.5 | 41.1 | 698 | 820 | 875 | 952 | 2.9 | 6 | 0.121 | 0.101 |
| 670 | 1090 | 336 | 12000 | 22000 | 1320 | 380 | 530 | 1230 | C31/670MB | C31/670KMB | 670 | 797 | 963 | 7.5 | 33 | 702 | 795 | 965 | 1058 | 28 | 6 | - | 0.104 |
| 710 | 950 | 180 | 6000 | 12500 | 780 | 450 | 630 | 355 | C39/710M | C39/710KM | 710 | 773 | 877 | 6 | 30.7 | 733 | 795 | 850 | 927 | 2.7 | 5 | 0.131 | 0.098 |
| 710 | 1030 | 236 | 8800 | 17300 | 1060 | 400 | 560 | 645 | C30/710M | C30/710KM | 710 | 807 | 945 | 7.5 | 47.3 | 738 | 850 | 910 | 1002 | 3.2 | 6 | 0.119 | 0.104 |
| 710 | 1030 | 315 | 10600 | 21600 | 1290 | 320 | 430 | 860 | C40/710M | C40/710K30M | 710 | 803 | 935 | 7.5 | 51.2 | 738 | 840 | 915 | 1002 | 4.4 | 6 | 0.113 | 0.101 |
| 710 | 1150 | 345 | 12700 | 24000 | 1430 | 360 | 480 | 1410 | C31/710MB | C31/710KMB | 710 | 848 | 1012 | 9.5 | 34 | 750 | 845 | 1015 | 1100 | 28.6 | 8 | - | 0.102 |
| 750 | 1000 | 185 | 6100 | 13400 | 815 | 430 | 560 | 405 | C39/750M | C39/750KM | 750 | 830 | 933 | 6 | 35.7 | 773 | 855 | 910 | 977 | 2.7 | 5 | 0.131 | 0.101 |
| 750 | 1090 | 250 | 9500 | 19300 | 1160 | 380 | 530 | 838 | C30/750MB | C30/750KMB | 750 | 858 | 993 | 7.5 | 25 | 778 | 855 | 995 | 1062 | 21.8 | 6 | - | 0.112 |
| 750 | 1220 | 365 | 13700 | 30500 | 1800 | 320 | 450 | 1802 | C31/750MB | C31/750KMB | 750 | 888 | 1076 | 9.5 | 36 | 790 | 885 | 1080 | 1180 | 31.5 | 8 | - | 0.117 |
| 800 | 1060 | 195 | 5850 | 15200 | 915 | 380 | 530 | 504 | C39/800MB | C39/800KMB | 800 | 889 | 990 | 6 | 45.7 | 823 | 915 | 970 | 1037 | 2.9 | 5 | - | 0.106 |
| 800 | 1150 | 258 | 9150 | 18600 | 1120 | 360 | 480 | 860 | C30/800MB | C30/800KMB | 800 | 913 | 1047 | 7.5 | 25 | 828 | 910 | 1050 | 1122 | 22.3 | 6 | - | 0.111 |
| 800 | 1280 | 375 | 15600 | 30500 | 1760 | 300 | 400 | 1870 | C31/800MB | C31/800KMB | 800 | 947 | 1133 | 9.5 | 37 | 840 | 945 | 1135 | 1240 | 32.1 | 8 | - | 0.115 |
| 850 | 1120 | 200 | 7350 | 16300 | 965 | 360 | 480 | 530 | C39/850M | C39/850KM | 850 | 940 | 1053 | 6 | 35.9 | 873 | 960 | 1025 | 1097 | 2.9 | 5 | 0.135 | 0.098 |
| 850 | 1220 | 272 | 11600 | 24500 | 1430 | 320 | 430 | 1050 | C30/850MB | C30/850KMB | 850 | 968 | 1113 | 7.5 | 27 | 878 | 965 | 1115 | 1192 | 24.1 | 6 | - | 0.124 |
| 850 | 1360 | 400 | 16000 | 32000 | 1830 | 280 | 380 | 2260 | C31/850MB | C31/850KMB | 850 | 1020 | 1200 | 12 | 40 | 898 | 1015 | 1205 | 1312 | 33.5 | 10 | - | 0.11 |
| 900 | 1180 | 206 | 8150 | 18000 | 1060 | 340 | 450 | 580 | C39/900MB | C39/900KMB | 900 | 989 | 1113 | 6 | 20 | 923 | 985 | 1115 | 1157 | 18.4 | 5 | - | 0.132 |
| 900 | 1280 | 280 | 12700 | 26500 | 1530 | 300 | 400 | 1150 | C30/900MB | C30/900KMB | 900 | 1008 | 1172 | 7.5 | 45.8 | 928 | 1050 | 1130 | 1252 | 3.4 | 6 | - | 0.1 |
| 950 | 1250 | 224 | 9300 | 22000 | 1250 | 300 | 430 | 784 | C39/950MB | C39/950KMB | 950 | 1044 | 1167 | 7.5 | 35 | 978 | 1080 | 1145 | 1222 | 3.1 | 6 | - | 0.098 |
| 950 | 1360 | 300 | 12900 | 27500 | 1560 | 280 | 380 | 1410 | C30/950MB | C30/950KMB | 950 | 1080 | 1240 | 7.5 | 30 | 978 | 1075 | 1245 | 1322 | 26.2 | 6 | - | 0.116 |
| 1000 | 1420 | 308 | 13400 | 29000 | 1630 | 260 | 340 | 1570 | C30/1000MB | C30/1000KMB | 1000 | 1136 | 1294 | 7.5 | 30 | 1028 | 1135 | 1295 | 1392 | 26.7 | 6 | - | 0.114 |
| 1000 | 1580 | 462 | 22800 | 45500 | 2500 | 220 | 300 | 3470 | C31/1000MB | C31/1000KMB | 1000 | 1179 | 1401 | 12 | 46 | 1048 | 1175 | 1405 | 1532 | 38.6 | 10 | - | 0.105 |
| 1060 | 1400 | 250 | 11000 | 26000 | 1430 | 260 | 340 | 1120 | C39/1060MB | C39/1060KMB | 1060 | 1175 | 1323 | 7.5 | 25 | 1088 | 1170 | 1325 | 1372 | 23.4 | 6 | - | 0.142 |
| 1180 | 1540 | 272 | 13400 | 33500 | 1800 | 220 | 300 | 1400 | C39/1180MB | C39/1180KMB | 1180 | 1311 | 1457 | 7.5 | 44.4 | 1208 | 1335 | 1425 | 1512 | 4.1 | 6 | - | 0.097 |
| 1250 | 1750 | 375 | 20400 | 45000 | 2320 | 180 | 240 | 2740 | C30/1250MB | C30/1250KMB | 1250 | 1397 | 1613 | 9.5 | 37 | 1284 | 1395 | 1615 | 1716 | 33.9 | 8 | - | 0.126 |
