Single Row Angular Contact Ball Bearings
These bearings are designed to accommodate both radial and axial loads acting simultaneously, with the axial load applied in one direction only. They are suitable for high-speed and even very high-speed applications. Compared to deep groove ball bearings, they are better suited for supporting large axial forces in one direction.
- High-Speed Capability: Capable of handling relatively high radial loads and large unilateral axial loads
Designation System
1. Suffixes - Internal Design
| Suffix |
Description |
| A |
30° Contact Angle |
| AB |
20° Contact Angle (Inch Bearing) |
| AC |
25° Contact Angle |
| B |
40° Contact Angle |
| E |
Optimized Internal Design |
2. Suffixes - External Design (Seals, Snap Ring Grooves, Configuration, etc.)
| Suffix |
Description |
| N1 |
One Locating Slot (Notch) on One Outer Ring Side Face |
| CA |
Universally Matched Bearings. Axial Internal Clearance Smaller Than Normal (CB) When Mounted Back-to-Back or Face-to-Face |
| CB |
Universally Matched Bearings. Normal Axial Internal Clearance When Mounted Back-to-Back or Face-to-Face |
| CC |
Universally Matched Bearings. Axial Internal Clearance Larger Than Normal (CB) When Mounted Back-to-Back or Face-to-Face |
| G |
Universally Matched Bearings. With Axial Internal Clearance When Mounted Back-to-Back or Face-to-Face |
| GA |
Universally Matched Bearings. Light Preload When Mounted Back-to-Back or Face-to-Face |
| GB |
Universally Matched Bearings. Moderate Preload When Mounted Back-to-Back or Face-to-Face |
| GC |
Universally Matched Bearings. Heavy Preload When Mounted Back-to-Back or Face-to-Face |
| -2RZ |
Non-Contact Seals (NBR) on Both Sides |
3. Suffixes - Cage Design
| Suffix |
Description |
| F |
Machined Steel Cage, Ball Centered |
| W |
Stamped Steel Cage, Ball Centered |
| M |
Machined Brass Cage, Ball Centered |
| MB |
Machined Brass Cage, Inner Ring Centered |
| P |
Glass Fiber Reinforced PA66 Cage, Ball Centered |
| PH |
Glass Fiber Reinforced PEEK Cage, Ball Centered |
| Y |
Stamped Brass Cage, Ball Centered |
4. Suffixes - Materials, Accuracy, and Bearing Sets
4.1 Materials & Heat Treatment
| Suffix |
Description |
| HQ1 |
Silicon Nitride Balls (Hybrid Ceramic Bearing) |
4.2 Accuracy, Clearance, Preload & Quiet Running
| Suffix |
Description |
| P5 |
Dimensional and Geometrical Tolerances (Run-Out and Orientation) to Class P5 |
| P6 |
Dimensional and Geometrical Tolerances (Run-Out) to Class P6 |
4.3 Bearing Sets & Matched Bearings
| Suffix |
Description |
| DB |
Two Bearings Matched for Back-to-Back Mounting |
| DF |
Two Bearings Matched for Face-to-Face Mounting |
| DT |
Two Bearings Matched for Tandem Mounting |
