UC 300 Series Pillow Block Bearing
UC Series Insert Bearing has a set screw locking and is held in position on the shaft by two set screws which are directly on the extended end of the inner ring. UC 200 Series Insert Bearing is self-aligning for standard load capacity.
Material Specifications
Housing Options: Grey cast iron, Cast steel, Ductile iron.
Bearing: High-quality GCR15 bearing steel.
* Contact us for specific material requirements.
Packaging Details
- Commercial packing: 1pc/plastic bag + color box + carton + wood pallets
- Customized packing available as per customer requirements
Technical Specifications
Comprehensive dimensional data for UC Series Bearing Units
| Bearing NO. | d (mm/in.) | D (mm/in.) | B (mm/in.) | C (mm/in.) | S (mm/in.) | S1 (mm/in.) | G (mm/in.) | ds (mm/in.) | F (mm/in.) | Dynamic load ratings (N) | Static load ratings (N) | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UC305 | 25 | 62 | 38 | 20 | 15 | 23 | 6 | M6x1 | 5.4 | 22400 | 11500 | 0.33 |
| UC305-13 | 13/16 | 2.4409 | 1.4961 | 0.7874 | 0.591 | 0.906 | 0.236 | 1/4-28UNF | 0.213 | 22400 | 11500 | 0.38 |
| UC305-14 | 7/8 | 2.4409 | 1.4961 | 0.7874 | 0.591 | 0.906 | 0.236 | 1/4-28UNF | 0.213 | 22400 | 11500 | 0.36 |
| UC305-15 | 15/16 | 2.4409 | 1.4961 | 0.7874 | 0.591 | 0.906 | 0.236 | 1/4-28UNF | 0.213 | 22400 | 11500 | 0.34 |
| UC305-16 | 1 | 2.4409 | 1.4961 | 0.7874 | 0.591 | 0.906 | 0.236 | 1/4-28UNF | 0.213 | 22400 | 11500 | 0.33 |
| UC306 | 30 | 72 | 43 | 23 | 17 | 26 | 6 | M6x1 | 5.7 | 26500 | 14900 | 0.536 |
| UC306-17 | 1-1/16 | 2.8346 | 1.6929 | 0.9055 | 0.669 | 1.024 | 0.236 | 1/4-28UNF | 0.225 | 26500 | 14900 | 0.59 |
| UC306-18 | 1-1/8 | 2.8346 | 1.6929 | 0.9055 | 0.669 | 1.024 | 0.236 | 1/4-28UNF | 0.225 | 26500 | 14900 | 0.56 |
| UC306-19 | 1-3/16 | 2.8346 | 1.6929 | 0.9055 | 0.669 | 1.024 | 0.236 | 1/4-28UNF | 0.225 | 26500 | 14900 | 0.54 |
| UC307 | 35 | 80 | 48 | 25 | 19 | 29 | 8 | M8x1 | 6.2 | 33300 | 19100 | 0.694 |
| UC307-20 | 1-1/4 | 3.1496 | 1.8898 | 0.9843 | 0.748 | 1.142 | 0.315 | 5/16-24UNF | 0.224 | 33300 | 19100 | 0.75 |
| UC307-21 | 1-5/16 | 3.1496 | 1.8898 | 0.9843 | 0.748 | 1.142 | 0.315 | 5/16-24UNF | 0.224 | 33300 | 19100 | 0.72 |
| UC307-22 | 1-3/8 | 3.1496 | 1.8898 | 0.9843 | 0.748 | 1.142 | 0.315 | 5/16-24UNF | 0.224 | 33300 | 19100 | 0.69 |
| UC307-23 | 1-7/16 | 3.1496 | 1.8898 | 0.9843 | 0.748 | 1.142 | 0.315 | 5/16-24UNF | 0.224 | 33300 | 19100 | 0.66 |
| UC308 | 40 | 90 | 52 | 27 | 19 | 33 | 10 | M10x1 | 7 | 40600 | 23700 | 0.954 |
| UC308-24 | 1-1/2 | 3.5433 | 2.0472 | 1.0630 | 0.748 | 1.299 | 0.394 | 3/8-24UNF | 0.276 | 40600 | 23700 | 1 |
| UC308-25 | 1-9/16 | 3.5433 | 2.0472 | 1.0630 | 0.748 | 1.299 | 0.394 | 3/8-24UNF | 0.276 | 40600 | 23700 | 0.96 |
| UC309 | 45 | 100 | 57 | 30 | 22 | 35 | 10 | M10x1 | 7.8 | 48600 | 28900 | 1.285 |
| UC309-26 | 1-5/8 | 3.9370 | 2.2441 | 1.1811 | 0.866 | 1.378 | 0.394 | 3/8-24UNF | 0.307 | 48600 | 28900 | 1.38 |
| UC309-27 | 1-11/16 | 3.9370 | 2.2441 | 1.1811 | 0.866 | 1.378 | 0.394 | 3/8-24UNF | 0.307 | 48600 | 28900 | 1.34 |
UC Wide Inner Ring Ball Bearing
Set Screw Locking Mechanism
The UC300 bearing uses a popular set screw locking mechanism and is suggested for industrial applications where normal loads are encountered.
Reversing Load Applications
The set screw mounting feature is ideal for reversing load applications, providing reliable performance in demanding industrial environments.