
BTW 140 CM/SP
weight:8.6 kg
Super precision bearings
Double direction angular contact thrust ball bearings
WhatsApp:+8618753115023
E-mial:info@bearingmotion.com
Products Description
| Bore diameter | 140 mm |
| Outside diameter | 210 mm |
| Height | 84 mm |
| Contact angle | 60 ° |
| Basic dynamic load rating | 106 kN |
| Basic static load rating | 375 kN |
| Attainable speed for grease lubrication | 3 200 r/min |
| Attainable speed for oil-air lubrication | 3 800 r/min |
| Product net weight | 8.6 kg |

Product Related
The BTW 140 CM/SP is a high-precision, double-direction angular contact thrust ball bearing designed to deliver exceptional performance in applications demanding high axial stiffness and precise shaft guidance. Featuring a 60-degree contact angle, this bearing is engineered to accommodate heavy axial loads in both directions, ensuring superior system rigidity and running accuracy. Its separable design, consisting of two single-row angular contact thrust ball bearings arranged back-to-back, simplifies the mounting process and allows for easy integration with cylindrical roller bearings. The precision-machined brass cage provides high-speed capability and durability, making it an ideal choice for the demanding requirements of machine tool spindles and other high-performance rotating machinery.
The robust construction and advanced design of the BTW 140 CM/SP translate into significant operational advantages. By providing firm axial location in two directions, this bearing enhances the overall stability and accuracy of the machinery, leading to improved production quality and consistency. The optimized internal geometry minimizes friction, which in turn reduces heat generation and allows for higher operational speeds. This efficiency contributes to a longer service life and greater reliability of the entire bearing system. For applications where precision and steadfast performance are critical, the BTW 140 CM/SP offers a dependable solution that supports extended operational uptime and minimizes maintenance requirements.

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