S99GLPM304768 is a closed-series linear plain bearing with a 30 mm bore, designed for maintenance-free operation with hard anodized aluminum shafts. The bearing has an aluminum body with an anodized finish and a J® polymer liner, offering corrosion and dirt resistance. It supports a dynamic load capacity of 5098 N and a static load capacity of 35696 N, with an operating temperature range of -14°C to +90°C continuous and up to +120°C intermittently. The bearing length is 68 mm, and it includes a groove depth of 51.7 mm and groove width of 1.85 mm. Recommended retaining ring is MD0471MQB047. Shaft surface finish must be 8-16 RMS for optimal service life.
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 | S99GLPM304768 |
| Product Name | 30mm Bore, Recommended Shaft: Hard Anodized Aluminum, Closed Linear Plastic Bearing |
| Special Bearing Materials | Aluminum / J® Polymer |
