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353130B
KMY
Factory Price Railway Bearing 353130B Train bearing bt2-8609c CTBU 150x250x160
| Main Dimensions | Product | d mm | D mm | B mm | C mm |
| TBU 120x165x131.35 | 1639609 DE | 120 | 195 | 126 | 131.35 |
| TBU 130x230x150 | SK F197726 | 130 | 230 | 150 | 150 |
| TBU 130x230x160 | BT2-8546 | 130 | 230 | 150 | 160 |
| TBU 150x250x160 | 353130-2RS | 150 | 250 | 154.5 | 160 |
| CTBU 130x230x150 | BT2-8670-01 | 130 | 230 | 166.35 | 150 |
| CTBU 130x230x160 | BT2-8617 | 130 | 230 | 176.35 | 160 |
| CTBU 150x250x160 | 353130B | 150 | 250 | 180.6 | 160 |
| CTBU 150x250x160 | BT-8720 BD | 150 | 250 | 180.6 | 160 |
| Class C 5x9 | BT2-8735 BB | 119.008 | 195.263 | 36.525 | 142.875 |
| Class D 5 1/2x10 | BT2-8547 BB | 131.775 | 207.963 | 146.75 | 152.4 |
| Class E 6x11 | BT2-8516 BB | 144.475 | 220.663 | 155.575 | 163.51 |
| Class F 6 1/2x12 | BT2-8612 BB | 157.175 | 252.413 | 177.8 | 184.15 |
| CTBU Class K 6 1/2 x9 | BT2-8606 | 157.175 | 250 | 180.6 | 160 |
Polymer spacer
Fretting corrosion between the backing ring and the inner ring side face is caused by journal bending during operation. This corrosion not only causes foreign particles to enter the bearing, but also increases axial bearing clearance, resulting in reduced performance and reliability. The development target was to avoid fretting corrosion by changing the steel-tosteel contact between the backing ring and the inner ring side face to steel-to-polymer contact. The polymer spacer of reinforced polymer material is clamped onto the bearing components. Extensive field experience confirmed the expectations. As a result, longer maintenance intervals can be scheduled. This design was first introduced for compact TBU designs. Today, the polymer spacer can be offered for nearly all TBU designs and sizes.
Factory Price Railway Bearing 353130B Train bearing bt2-8609c CTBU 150x250x160
| Main Dimensions | Product | d mm | D mm | B mm | C mm |
| TBU 120x165x131.35 | 1639609 DE | 120 | 195 | 126 | 131.35 |
| TBU 130x230x150 | SK F197726 | 130 | 230 | 150 | 150 |
| TBU 130x230x160 | BT2-8546 | 130 | 230 | 150 | 160 |
| TBU 150x250x160 | 353130-2RS | 150 | 250 | 154.5 | 160 |
| CTBU 130x230x150 | BT2-8670-01 | 130 | 230 | 166.35 | 150 |
| CTBU 130x230x160 | BT2-8617 | 130 | 230 | 176.35 | 160 |
| CTBU 150x250x160 | 353130B | 150 | 250 | 180.6 | 160 |
| CTBU 150x250x160 | BT-8720 BD | 150 | 250 | 180.6 | 160 |
| Class C 5x9 | BT2-8735 BB | 119.008 | 195.263 | 36.525 | 142.875 |
| Class D 5 1/2x10 | BT2-8547 BB | 131.775 | 207.963 | 146.75 | 152.4 |
| Class E 6x11 | BT2-8516 BB | 144.475 | 220.663 | 155.575 | 163.51 |
| Class F 6 1/2x12 | BT2-8612 BB | 157.175 | 252.413 | 177.8 | 184.15 |
| CTBU Class K 6 1/2 x9 | BT2-8606 | 157.175 | 250 | 180.6 | 160 |
Polymer spacer
Fretting corrosion between the backing ring and the inner ring side face is caused by journal bending during operation. This corrosion not only causes foreign particles to enter the bearing, but also increases axial bearing clearance, resulting in reduced performance and reliability. The development target was to avoid fretting corrosion by changing the steel-tosteel contact between the backing ring and the inner ring side face to steel-to-polymer contact. The polymer spacer of reinforced polymer material is clamped onto the bearing components. Extensive field experience confirmed the expectations. As a result, longer maintenance intervals can be scheduled. This design was first introduced for compact TBU designs. Today, the polymer spacer can be offered for nearly all TBU designs and sizes.
