Comptrol’s end supports have the highest load ratings in the industry. That means longer life for our end supports. Let us help you with any sizing.
Nominal Load Ratings for Standard Comptrol Bearing Blocks
| Screw Diameter (in) | TYPE A | TYPE B & C | ||||
| Radial Load Capacity (lbs.) | Thrust Load Capacity (lbs.) | Radial Load Capacity (lbs.) | ||||
| Static | Dynamic* | Static | Dynamic* | Static | Dynamic* | |
| 0.625 | 697 | 1,550 | 3,262 | 3,035 | 1,690 | 2,810 |
| 0.75 | 1,210 | 2,560 | 5,288 | 4,925 | 2,740 | 4,560 |
| 1.0 | 1,470 | 2,860 | 7,199 | 5,875 | 3,730 | 5,440 |
| 1.13 | 1,750 | 3,150 | 9,032 | 6,556 | 4,680 | 6,070 |
| 1.5 | 2,520 | 4,380 | 11,059 | 8,381 | 5,730 | 7,760 |
| 2 | 4,270 | 6,900 | 19,493 | 12,744 | 10,100 | 11,800 |
| 2.25 | 7,080 | 11,900 | 34,740 | 23,652 | 18,000 | 21,900 |
| 2.5 | 6,520 | 9,800 | 32,617 | 19,224 | 16,900 | 17,800 |
| 3 | 11,700 | 18,400 | 55,970 | 35,964 | 29,000 | 33,300 |
- Dynamic Load Ratings based on one million revolutions or 500 hours at 33-1/3 RPM
| Shaft Diameter (in) | Flange Mount | Cut-Off Flange Mount | Base Mount | Dimensions* | End Journal Dimensions* |
| 0.625 | 66-200-XX | 66-300-XX | 66-400-XX | END JOURNAL DIMENSIONS PDF | |
| 0.75 | 66-201-XX | 66-302-XX | 66-402-XX | ||
| 1 | 66-202-XX | 66-302-XX | 66-402-XX | ||
| 1.13 | 66-203-XX | 66-303-XX | 66-403-XX | ||
| 1.5 | 66-204-XX | 66-304-XX | 66-404-XX | ||
| 2 | 66-205-XX | 66-305-XX | 66-405-XX | ||
| 2.25 | 66-206-XX | 66-306-XX | 66-406-XX | ||
| 2.5 | 66-207-XX | 66-307-XX | 66-407-XX | ||
| 3 | 66-208-XX | 66-308-XX | 66-408-XX |
Standard End Mounting Bearing Supports
* STEP and AutoCAD drawings can be provided. Please call (216) 587-5200, Ext. 2 or email
Ask about special end supports. Need something larger? Need something with a higher rating? Smaller? Let us know and we can have our engineers look at your application. To find out more, call us at (216) 587-5200, Ext. 2.