A 7Z33-PB750N is a pillow block-mounted needle roller bearing with a 0.7500 inch bore, designed for self-aligning operation up to ±5° and self-lubricating, corrosion-resistant performance. It features a sintered aluminum housing and a drawn cup needle roller bearing, with an operating temperature range of -22°F to +212°F. The unit has an overall height of 2-9/16 inches, length of 5 inches, and width of 29/32 inch. Mounting hole distance is 4 inches, flange hole diameter is 9/16 inch, and maximum radial load capacity is 1000 lbf at a maximum speed of 14700 rpm.
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 | Pillow Block Bearings |
| Product Number | A 7Z33-PB750N |
| Product Name | 0.75" Bore, Pillow Block-Mounted with Needle Roller Pressbearing |
| Bearing Type | Needle Roller |
| Shaft Diameter | 0.7500 inch (19.05 mm) |
| Load Rating | 1000 lbs (454 kg) |
| Housing | Aluminum |
