Double Row Tapered Roller Bearing
Comply with AAR M-934, AAR Approved
Inch Size Bearing Include:
AAR Class B
AAR Class C
AAR Class D
AAR Class E
AAR Class F
AAR Class K
AAR Class G
AAR Type Bogie Design
Application for Freight Wagons, Coaches, Locomotives
Brand as SKF, FAG, TIMKEN
AAR Type | Size | d | D | C | d2 | MASS/kg | FAG | SKF | TIMKEN | |
Class B | 4 1/4"×8" | inch | 4 | 6.5 | 4.5 | 5 | 14.8 | TAROL4X8-U-JP | HM120848 | |
mm | 101.6 | 165.1 | 114.3 | 127 | ||||||
Class C | 5"×9" | inch | 4.6885 | 7.6875 | 5.625 | 5.875 | 24.8 | TAROL5X9-U-JP | BT2-8735 BB | HM124646 HM124618XD |
mm | 119.088 | 195.263 | 142.875 | 149.225 | ||||||
Class D | 5 1/2"×10" | inch | 5.188 | 8.1875 | 6 | 6.375 | 27.3 | TAROL5-1/2X10-U-JP | BT2-8547 BB | HM127446 HM127415XD |
mm | 131.775 | 207.936 | 152.4 | 161.925 | ||||||
Class E | 6"×11" | inch | 5.687 | 8.6875 | 6.437 | 7.03 - 7.032 | 34.9 | TAROL6X11-U-JP | BT2-8516 BB | HM129848 HM129814XD |
mm | 144.475 | 220.663 | 163.51 | 178.562 - 178.613 | ||||||
Class F | 6 1/2"×12" | inch | 6.1879 | 9.9375 | 7.25 | 7.53 - 7.532 | 52.9 | TAROL6-1/2X12-U-JP | BT2-8512 BB | HM133444 HM133416XD |
mm | 157.175 | 252.413 | 184.15 | 191.262 - 191.313 | ||||||
Class K | 6 1/2"×9" | inch | 6.188 | 9.842 | 6.2992 | 7.53 - 7.532 | 40.7 | TAROL6-1/2X9-U-JP | BT2-8606 BB | |
mm | 157 | 250 | 160 | 191.262 - 191.313 | ||||||
Class G | 7"×9" | inch | 7.0005 | 10.875 | 7.312 | 8 - 8.002 | 60.1 | TAROL7X12-U-JP | BT2-8609 BB | HM136948 HM136916XD |
7"×12" | mm | 178 | 276 | 186 | 203.2 - 203.251 | |||||
GG | 6 1/2" | inch | 6.4995 | 11.882 | 7.75 | 7.905 - 7.906 | 81.4 | TAROLGG6-1/2-U-JP | ||
mm | 165.087 | 301.83 | 196.85 | 200.79 - 200.81 | ||||||
GG | 6 7/8" | inch | 6.8745 | 11.882 | 7.75 | 7.87 - 7.873 | 77.3 | TAROLGG6-7/8-U-JP | ||
mm | 174.612 | 301.83 | 196.85 | 199.898 - 199.974 |