外型尺寸Dimension (mm) 重量Weight (kg) Fig no. 轴承代号Bearing code Da La na* Li di ni*     HRBN INA 518 490 8 332 304 12 23.4 1 SLR20/518 VLU220411 648 620 10 462 434 14 31 1 SLR20/648 VLU220541 748 720 12 562 534 16 36.4 1 SLR20/748 VLU220641 848 820 12 662 634 16 42.8 1 SLR20/848 VLU220741 1048 1020 16 862 834 20 53.1 1 SLR20/1048 VLU220941 1198 1170 16 1012 934 20 61.9 1 SLR20/1198 VLU221091 948 920 14 762 734 18 47.8 1 SLR20/948 VLU220841 1100 1060 30 845 805 30 131 2 SLR30/1100 VLU300955 1200 1160 30 945 905 30 145 2 SLR30/1200 VLU301055 1300 1260 36 1045 1005 36 159 2 SLR30/1300 VLU301155 1400 1360 42 1145 1105 42 172 2 SLR30/1400 VLU301255 1500 1460 42 1245 1205 42 186 2 SLR30/1500 VLU301355 1600 1560 48 1345 1305 48 200 2 SLR30/1600 VLU301455 950 920 8 762 732 8 58 3 SBI-020