SKF Bearing 30308T72/DB

Product description of SKF Bearing 30308T72/DB

SKF Bearing 30308T72/DB, Matched back-to-back Single row tapered roller bearings The SKF assortment of matched single row tapered roller bearings is based on popular sizes of single row tapered roller bearings. Depending on the application requirements, matched tapered roller bearings are available in different designs and variants:
Matched bearings arranged face-to-face
SKF Bearing 30308T72/DB, Matched bearings arranged back-to-back Matched bearings arranged in tandem Basic design and SKF Explorer bearings The matched bearings listed in the product tables constitute the basic SKF assortment. SKF can supply other matched bearings on request.
Matched bearings arranged back-to-back have load lines that diverge toward the bearing axis.
provide a relatively stiff bearing arrangement can accommodate tilting moments can accommodate axial loads in both directions are supplied with intermediate inner and outer ring spacers as a set.
SKF Bearing 30308T72/DB, SKF single row tapered roller bearings are designed to accommodate combined loads, i.e. simultaneously acting radial and axial loads. The projection lines of the raceways meet at a common point on the bearing axis (apex point A, ) to provide a true rolling action and therefore low frictional moments during operation. 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 (from the product table): the larger the value of e, the larger the contact angle.
The invention discloses a floating fixture and a method for processing inner and outer rings of a single-row tapered roller bearing. The floating fixture comprises a three-jaw chuck, three jaws, jaw clamping bodies, a floating connecting rod, and six clamping jaws. The three jaws are correspondingly connected with the three-jaw chuck. The number of the jaw clamping bodies is three. The three jaw clamping bodies are arranged respectively corresponding to the three jaws. The jaw clamping bodies are correspondingly connected with the three jaws through the floating connecting rod. Limiting screws are also connected between the jaw clamping bodies and the three jaws. The number of the limiting screws is two. The two limiting screws are respectively symmetrically arranged on two sides of the floating connecting rod. Each jaw clamping body is meshed and connected with the two clamping jaws through teeth. The three jaws and the jaw clamping bodies are connected through the floating connecting rod, and the limiting screws are connected between the jaw clamping bodies and the three jaws. Through the floating connecting rod, the limiting screws play certain up-down floating roles in a clamping process. In turning bearing forging, the fixture improves turning precision, and shortens a turnery process of the inner and outer rings of a single-row tapered roller bearing.

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