The roller and raceway surface of cylindrical roller bearing is line contact, so the bearing can bear high load capacity and suitable for high-speed working condition. ZWA’s cylindrical roller bearings can be divided into three types, including single-row, double-row and four-row.
Single-row Cylindrical Roller Bearing | |||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
d 670-800mm | |||||||||||||||||||||
Basic Size | Basic load rating | Code | Limiting Speed | Mass | Dimensions | Abutment and chamfer dimensions | |||||||||||||||
d | D | B | dynamic | static | grease | oil | d1≈ | D1≈ | F,E | r1.2min | r3.4min | S1) | damin | damax | dbmin | Damax | Damin | ramax | rbmax | ||
C | Co | ||||||||||||||||||||
mm | kN | - | r/min | kg | mm | mm | |||||||||||||||
670 | 820 | 69 | 1230 | 2800 | NJ18/670MA6/343016 | 560 | 670 | 84.5 | 721 | 771 | 708 | 4 | 4 | 1.5 | 686 | 700 | 727 | 804 | - | 3 | 3 |
670 | 900 | 103 | 2330 | 4750 | NU19/670ECMA | 530 | 630 | 195 | - | 824 | 728 | 6 | 6 | 13 | 696 | 723 | 734 | 874 | - | 5 | 5 |
670 | 900 | 103 | 2330 | 4750 | NUP19/670ECMA | 530 | 630 | 195 | 750 | 824 | 728 | 6 | 6 | - | 696 | 723 | 734 | 874 | - | 5 | 5 |
670 | 980 | 136 | 3740 | 6800 | NU10/670ECMA/HA1 | 430 | 500 | 350 | - | 891 | 747 | 7.5 | 7.5 | 7.9 | 703 | 736 | 753 | 947 | - | 6 | 6 |
670 | 980 | 180 | 5390 | 11000 | NU20/670ECMA/HB1 | 430 | 500 | 480 | - | 890 | 746 | 7.5 | 7.5 | 7 | 703 | 736 | 752 | 947 | - | 6 | 6 |
670 | 980 | 230 | 6930 | 15000 | N30/670K/VA701 | 430 | 500 | 595 | 775 | - | 914 | 4 | 7.5 | 22 | 703 | 908 | - | 947 | 919 | 3 | 6 |
670 | 980 | 230 | 6600 | 14000 | NU30/670MA/342771 | 430 | 500 | 600 | - | 880 | 744 | 7.5 | 7.5 | 18 | 703 | 736 | 750 | 947 | - | 6 | 6 |
710 | 870 | 74 | 1450 | 3350 | NU18/710MA/VQ114 | 530 | 630 | 97.5 | - | 817 | 750 | 4 | 4 | 1 | 726 | 742 | 756 | 854 | - | 3 | 3 |
710 | 870 | 95 | 1940 | 5000 | N28/710ECMB | 530 | 630 | 130 | 767 | - | 831 | 4 | 4 | 7.5 | 726 | 825 | - | 854 | 835 | 3 | 3 |
710 | 950 | 140 | 3740 | 8300 | NU29/710ECMA/HA1 | 500 | 600 | 295 | - | 875 | 766 | 6 | 6 | 8.7 | 736 | 760 | 772 | 924 | - | 5 | 5 |
710 | 950 | 140 | 3740 | 8300 | NUP/29/710ECMA/HA1 | 500 | 600 | 300 | 790 | 875 | 766 | 6 | 6 | - | 736 | - | 796 | 924 | - | 5 | 5 |
710 | 1030 | 140 | 4680 | 8500 | NU10/710ECMA | 430 | 500 | 415 | - | 939 | 778 | 7.5 | 7.5 | 8 | 743 | 769 | 783 | 997 | - | 6 | 6 |
710 | 1030 | 185 | 5940 | 12000 | NU20/710ECMA/HB1 | 400 | 480 | 540 | - | 939 | 787 | 7.5 | 7.5 | 10 | 743 | 774 | 793 | 997 | - | 6 | 6 |
750 | 920 | 78 | 1470 | 3450 | NU18/750MA | 500 | 600 | 110 | - | 863 | 794 | 5 | 5 | 9.2 | 770 | 784 | 800 | 900 | - | 4 | 4 |
750 | 1000 | 112 | 2810 | 850 | NF19/750ECMB/HA1 | 480 | 560 | 265 | 839 | 923 | 943 | 6 | 6 | 5.9 | 776 | 915 | - | 974 | 953 | 5 | 5 |
750 | 1090 | 150 | 4730 | 8800 | NU10/750ECMA/HB1 | 360 | 430 | 490 | - | 993 | 832 | 7.5 | 7.5 | 12.8 | 783 | 823 | 838 | 1057 | - | 6 | 6 |
750 | 1090 | 195 | 7040 | 14600 | NU20/750ECMA/HA1 | 360 | 430 | 635 | - | 993 | 832 | 7.5 | 7.5 | 12.8 | 783 | 823 | 838 | 1057 | - | 6 | 6 |
750 | 980 | 82 | 1720 | 4150 | NJ18/800ECMA | 450 | 530 | 145 | 80 | 922 | 848 | 5 | 5 | 9.9 | 820 | 854 | 866 | 960 | - | 4 | 4 |
800 | 1150 | 155 | 5500 | 10600 | NU10/800ECMA/HB1 | 340 | 400 | 560 | - | 1083 | 883 | 7.5 | 7.5 | 3 | 833 | 869 | 889 | 1117 | - | 6 | 6 |
800 | 1150 | 200 | 7040 | 14600 | NU20/800ECMA | 340 | 400 | 715 | - | 1051 | 882 | 7.5 | 7.5 | 2 | 833 | 868 | 888 | 1117 | - | 6 | 6 |