S99GSPM3047068 is a closed-series linear plastic bearing with a 30 mm bore, designed for maintenance-free, self-lubricating operation in applications requiring corrosion and dirt resistance. It has an outer diameter of 47 mm and a length of 68 mm. The bearing supports a dynamic load capacity of 2549 N and a static load capacity of 17846 N, with a weight of 162 g. It operates continuously between -14°C and +90°C and intermittently up to +120°C. Recommended shafts are hard anodized aluminum with an 8-16 RMS surface finish. It is secured by a retaining ring, with the compatible ring designated MD0471MQB047.
A bearing is a device that reduces friction between moving components by preventing metal-to-metal contact while assisting components (shafts, axles, and wheels) to freely rotate around a fixed axis, cutting down on heat generation and the amount of energy that is consumed. By replacing sliding motion with low-friction rolling motion, the life of the rotating components is increased. A bearing also keeps the shaft in the proper position, providing support and alignment and transferring the axial or radial loads to the housing.
The types of bearings that we offer include rolling element bearings, which consist of both ball bearings and roller bearings.
Balls are utilized as the rolling element in ball bearings; a retainer holds the balls in place and allows them to freely rotate. The balls are kept inside channels cut in both the inner and outer races. Because there is no surface contact between the balls and races, precision ball bearings have a lower load capacity for their size than other bearings.
| Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|
| Product Category | Linear Bearings |
| Product Number | S99GSPM3047068 |
| Product Name | 30 mm Bore, Recommended Shaft: Hard Anodized Aluminum, Closed Linear Plastic Bearing |
| Special Bearing Materials | J® Polymer |
