Part Number | SS71921 |
System of Measurement | Metric |
Bearing Type | Ball |
For Load Direction | Combined Radial and Thrust |
Construction | Single Row |
Seal Type | Open |
Bore Dia | 105 mm |
Bore Dia Tolerance | -0.02 mm to 0 |
Outer Dia | 145 mm |
Outer Dia Tolerance | -0.018 mm to 0 |
Width | 20 mm |
Width Tolerance | -0.2 mm to 0 |
Shoulder Diameter Inner Ring (Large Side Face)(d1) | 117.3 mm |
Shoulder Diameter Inner Ring (Small Side Face)(d2) | 117.3 mm |
Shoulder Diameter Outer Ring (Large Side Face)(D1) | 132.7 mm |
Chamfer Dimension (r1 2)(min) | 1.1 mm |
Chamfer Dimension (r3 4)(min) | 0.6 mm |
Distance Pressure Point (a) | 39.3 mm |
Ring Material | 440C Stainless Steel |
Ball Material | 440C Stainless Steel |
Cage Material | Cotton fabric reinforced phenolic resin |
Dynamic Radial Load | 11573 lbf |
Static Radial Load | 13252 lbf |
Max Speed (X1000 rpm) | 15 |
Lubrication | Lubricated |
Temperature Range | -30° to 110 °C |
ABEC Rating | P6 (ABEC-3) |
ROHS | Compliant |
REACH | Compliant |
Ball Dia | 12.7 mm |
Ball Qty | 27 |
Weight | 0.7 kg |

SS71921
Design Features of SS71921
SS71921 is designed to support both radial and axial loads simultaneously, making it ideal for high-speed applications. SS71921 outer dia is 145 mm. Its bore dia is 105 mm. Its stainless steel construction ensures excellent corrosion resistance, enhancing durability in harsh environments.
What Benefits Can SS71921 Provide?
- High Load Capacity: It can support both radial and axial loads simultaneously, making it ideal for high-speed and high-precision applications.
- Corrosion Resistance: The stainless steel material offers excellent resistance to rust and corrosion, ensuring long-lasting performance in harsh environments.
- Durability: The design enhances durability and extends the bearing’s service life, reducing maintenance requirements and replacement costs.
- High-Speed Performance: It is suitable for high-speed machinery, offering smooth operation and reducing friction for better efficiency.
- Versatility: Ideal for use in various applications such as automotive, aerospace, and machine tools, where precision and reliability are crucial.
What Can SS71921 Be Used for?
- High-Speed Machinery: Used in high-speed equipment like motors, turbines, and spindles, where both radial and axial loads are present.
- Aerospace: Ideal for aerospace components that require high precision, reliability, and resistance to harsh environmental conditions.
- Automotive: Commonly used in automotive applications such as wheel hubs, gearboxes, and transmission systems, where robust and reliable performance is needed.
- Machine Tools: Employed in CNC machines, milling machines, and lathes to handle high precision and speed.
- Pumps and Compressors: Used in pumps and compressors for stable operation under axial and radial loads.
- Electric Motors: Used in electric motors, especially those with high rotational speeds, to reduce friction and increase efficiency.