Railway Axle Motorcycle Bearing 31320X
Material: Chrome Steel, Carbon Steel, Stainless Steel
Brand Name: Timken SKF NSK NTN Koyo NACHI & OEM
Quality Standard: SGS ISO9001
Supply Ability: 1,000,000 pcs/Day In stock Fast Delivery!
Payment Terms: T/T, L/C, Paypal, Western Union
Shipping port: Qingdao/Tianjin
Supply Ability: 100,000 pieces per month
Package:
Plastic bag + single box + carton + plywood pallet
Neutral industrial packaging + neutral carton packaging + pallet
According to customer requirements
Railway bearings play a key role in the railway transportation system, mainly in the following aspects:
1. Bear and transfer loads
Railway bearings can withstand the axle load of the train, and ensure the stability of the track during the operation of the train by distributing the load pressure. They are able to accept loads of hundreds of tons on EMUs or locomotives and transfer them to the tracks, reducing wear on the tracks and other vehicles.
2. Provide support and positioning functions
Railway bearings ensure that the wheels are fixed in the correct position and maintain the stability of the vehicle. By providing support and positioning functions, they enable the wheel to travel normally on the specified track, avoiding instability or deviating from the track.
3. Reduce friction and vibration
Railway bearings use high-quality materials and precision manufacturing processes to reduce friction and vibration between wheels and bearings. By reducing the mechanical energy loss and the vibration of the vehicle, the bearing helps to improve the operation efficiency, acceleration and deceleration of the train, and improve the overall performance of the train
Specification | Bearing Model | Dimensions(mm) | |||
d | D | B | C | ||
TBU 120x195x131.35 | 1639609 DE | 120 | 195 | 126 | 131.35 |
TBU 130x230x150 | 197726 | 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 | BT2-8671 | 130 | 230 | 176.35 | 160 |
CTBU 150x250x160 | 353130B | 150 | 250 | 180.6 | 160 |
CTBU 150x250x160 | BT2-8275 BD | 150 | 250 | 180.6 | 160 |
CTBU 150×260×160 | BT2-8719 BD | 150 | 260 | 180.6 | 160 |
CTBU 160×270×170 | BT2-8724 BD | 160 | 270 | 195 | 170 |
Class C 5” x 9” | BT2-8720 BD | 119.008 | 195.263 | 136.525 | 142.875 |
Class D 5 1/2” x 10” | BT2-8547 BB | 131.775 | 207.963 | 146.75 | 152.4 |
Class E 6” x 11” | BT2-8516 BB | 144.475 | 220.663 | 155.575 | 163.51 |
Class F 6 1/2” x 12” | BT2-8612 BB | 157.175 | 252.413 | 177.8 | 184.15 |
CTBU Class K 6 1/2” x 9” | BT2-8606 | 157.175 | 250 | 180.6 | 160 |
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