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- Address258 Bearing Wholesalers Center Hill, Singapore 628925
- Factory Address258 Bearing Wholesalers Center Hill, Singapore 628925
- Worktime9: 00-18: 00 (بتوقيت بكين)
- Phone(Working Time)+6531591338
- Phone(Nonworking Time)+6531591338
- Fax+6531591338
Double inner double row tapered roller bearings inch
Contact NowSKF manufactures double row tapered roller bearings in the TDO and TDI designs, in many variants and with different features (→ Designs and variants). Depending on the design, these bearings can accommodate heavy radial loads, axial loads in both directions and have a high degree of stiffness. Double row tapered roller bearings are typically used in gearboxes, hoisting equipment, rolling mills and machines in the mining industry, e.g. tunnelling machines.
Bearing features
High load carrying capacity
Because of their second row of rollers, double row tapered roller bearings are suitable for heavy radial and axial loads. The axial load carrying capacity of tapered roller bearings increases with increasing contact angle α. The size of the contact angle, which is usually between 10° and 30°, is related to the calculation factor e (→ product tables): the larger the value of e, the larger the contact angle.
Axial loads in both directions
Double row tapered roller bearings locate the shaft in both directions with a specific axial clearance or preload.
High stiffness
Double row tapered roller bearings provide a stiff bearing arrangement.
Low friction
The optimized roller end design and surface finish on the flange (fig. 3) promote lubricant film formation, resulting in lower friction. This also reduces frictional heat and flange wear. In addition, the bearings can better maintain preload and run at reduced noise levels.
| Bearing Number | Bore Dia | Outer DIa | Width | Size |
|---|---|---|---|---|
| Bearing 74500/74851D | 1 pcs | Negotiable | - | - |
| Bearing HM252343/HM252311D | 1 pcs | Negotiable | - | - |
| Bearing EE640192/640261D | 1 pcs | Negotiable | - | - |
| Bearing EE420651/421451D | 1 pcs | Negotiable | - | - |
| Bearing EE130787/131402D | 1 pcs | Negotiable | - | - |
| Bearing HM231140NA/HM231111D | 1 pcs | Negotiable | - | - |
| Bearing EE127095/127136D | 1 pcs | Negotiable | - | - |
| Bearing M231649/M231610D | 1 pcs | Negotiable | - | - |
| Bearing EE450551/451215D | 1 pcs | Negotiable | - | - |
| Bearing M667944/M667911D | 1 pcs | Negotiable | - | - |
| Bearing LM742749/LM742714D | 1 pcs | Negotiable | - | - |
| Bearing M224748/M224710D | 1 pcs | Negotiable | - | - |