 
                The Timken ® Syber ® Bearing System Designer Tool now features Smart Selection, enabling users to find the right bearing faster by filtering options based on target life and key dimensions.
A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.
Alex Waye, Timken Application Engineer, shows you how to instantly compute tangential, radial, and axial forces for better design decisions.
Effective August 21st, 2023, the Naval Air Warfare Center Aircraft Division (NAWCAD) has disapproved Timken Aurora’s qualification status for SAE-AS81820 and SAE-AS81935 specifications. Timken Aurora is working diligently to get requalified.
| Part Number | Thread Type | B - Ball Bore | W - Ball Width | H - Head Width | A - Base to Center | D - Head Diameter | C - Thread Length | Thread Size | Ultimate Radial Static Load Capacity | CAD | 
|---|---|---|---|---|---|---|---|---|---|---|
| PRXM-4T | Thread Type N/A Right Hand | B - Ball Bore N/A .2500 in | W - Ball Width N/A .375 in | H - Head Width N/A .337 in | A - Base to Center N/A 1.562 in | D - Head Diameter N/A .806 in | C - Thread Length N/A .968 in | Thread Size N/A 5/16-24 | Ultimate Radial Static Load Capacity N/A 7,544 lbs | CAD                                                    
 N/A   | 
| PRXB-4T | Thread Type N/A Left Hand | B - Ball Bore N/A .2500 in | W - Ball Width N/A .375 in | H - Head Width N/A .337 in | A - Base to Center N/A 1.562 in | D - Head Diameter N/A .806 in | C - Thread Length N/A .968 in | Thread Size N/A 5/16-24 | Ultimate Radial Static Load Capacity N/A 7,544 lbs | CAD                                                    
 N/A   | 
| PRXM-5T | Thread Type N/A Right Hand | B - Ball Bore N/A .3125 in | W - Ball Width N/A .437 in | H - Head Width N/A .327 in | A - Base to Center N/A 1.875 in | D - Head Diameter N/A .900 in | C - Thread Length N/A 1.187 in | Thread Size N/A 3/8-24 | Ultimate Radial Static Load Capacity N/A 9,135 lbs | CAD                                                    
 N/A   | 
| PRXB-5T | Thread Type N/A Left Hand | B - Ball Bore N/A .3125 in | W - Ball Width N/A .437 in | H - Head Width N/A .327 in | A - Base to Center N/A 1.875 in | D - Head Diameter N/A .900 in | C - Thread Length N/A 1.187 in | Thread Size N/A 3/8-24 | Ultimate Radial Static Load Capacity N/A 9,135 lbs | CAD                                                    
 N/A   | 
| PRXM-6T | Thread Type N/A Right Hand | B - Ball Bore N/A .3750 in | W - Ball Width N/A .500 in | H - Head Width N/A .416 in | A - Base to Center N/A 1.938 in | D - Head Diameter N/A 1.025 in | C - Thread Length N/A 1.187 in | Thread Size N/A 7/16-20 | Ultimate Radial Static Load Capacity N/A 10,946 lbs | CAD                                                    
 N/A   | 
| PRXB-6T | Thread Type N/A Left Hand | B - Ball Bore N/A .3750 in | W - Ball Width N/A .500 in | H - Head Width N/A .416 in | A - Base to Center N/A 1.938 in | D - Head Diameter N/A 1.025 in | C - Thread Length N/A 1.187 in | Thread Size N/A 7/16-20 | Ultimate Radial Static Load Capacity N/A 10,946 lbs | CAD                                                    
 N/A   | 
| PRXM-7T | Thread Type N/A Right Hand | B - Ball Bore N/A .4375 in | W - Ball Width N/A .562 in | H - Head Width N/A .452 in | A - Base to Center N/A 2.125 in | D - Head Diameter N/A 1.150 in | C - Thread Length N/A 1.281 in | Thread Size N/A 1/2-20 | Ultimate Radial Static Load Capacity N/A 14,049 lbs | CAD                                                    
 N/A   | 
| PRXB-7T | Thread Type N/A Left Hand | B - Ball Bore N/A .4375 in | W - Ball Width N/A .562 in | H - Head Width N/A .452 in | A - Base to Center N/A 2.125 in | D - Head Diameter N/A 1.150 in | C - Thread Length N/A 1.281 in | Thread Size N/A 1/2-20 | Ultimate Radial Static Load Capacity N/A 14,049 lbs | CAD                                                    
 N/A   | 
| PRXM-8T | Thread Type N/A Right Hand | B - Ball Bore N/A .5000 in | W - Ball Width N/A .625 in | H - Head Width N/A .515 in | A - Base to Center N/A 2.438 in | D - Head Diameter N/A 1.337 in | C - Thread Length N/A 1.468 in | Thread Size N/A 5/8-18 | Ultimate Radial Static Load Capacity N/A 23,310 lbs | CAD                                                    
 N/A   | 
| PRXB-8T | Thread Type N/A Left Hand | B - Ball Bore N/A .5000 in | W - Ball Width N/A .625 in | H - Head Width N/A .515 in | A - Base to Center N/A 2.438 in | D - Head Diameter N/A 1.337 in | C - Thread Length N/A 1.468 in | Thread Size N/A 5/8-18 | Ultimate Radial Static Load Capacity N/A 23,310 lbs | CAD                                                    
 N/A   | 
| PRXM-10T | Thread Type N/A Right Hand | B - Ball Bore N/A .6250 in | W - Ball Width N/A .750 in | H - Head Width N/A .577 in | A - Base to Center N/A 2.625 in | D - Head Diameter N/A 1.525 in | C - Thread Length N/A 1.562 in | Thread Size N/A 3/4-16 | Ultimate Radial Static Load Capacity N/A 25,909 lbs | CAD                                                    
 N/A   | 
| PRXB-10T | Thread Type N/A Left Hand | B - Ball Bore N/A .6250 in | W - Ball Width N/A .750 in | H - Head Width N/A .577 in | A - Base to Center N/A 2.625 in | D - Head Diameter N/A 1.525 in | C - Thread Length N/A 1.562 in | Thread Size N/A 3/4-16 | Ultimate Radial Static Load Capacity N/A 25,909 lbs | CAD                                                    
 N/A   | 
