SF075AR0
3/4" Stainless Steel Constant Section Bearings
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Part No.
Part No.
SF075AR0
Basic Information
Bearing type
Ball
System of measurement
Inch
Thin section bearings type
Reali-Slim Stainless Steel
Construction
Single Row
Weight
3.39 lbs
Tolerance class
ABEC-1
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
7.5"
Bore diameter tolerance
-0.0012"– 0"
Outside diameter
9"
Outside diameter tolerance
-0.0012"– 0"
Width
0.75"
Width tolerance
+.000 –.005"
Contact angle
30 °
Inner Ring Dimensions
Shoulder diameter inner ring
8.055"
Outer Ring Dimensions
Outer ring large-side face inner diameter
8.61"
Outer ring small-side face inner diameter
8.445"
Performance
Temperature range
-30°C to 110 °C
Radial dynamic load rating
5052 lbf
Radial static load rating
11000 lbf
Axial static load rating
12130 lbf
Static load moment
31740 lbf
Lubrication
Lubricated
Radial internal clearance
0.0000 – 0.0005"
Materials
Ring material
Stainless Steel
Ball material
Stainless Steel
Cage material
Brass
Environment & Compliance
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 407.59
/ each
In Stock
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SF075AR0 Bearing Product Overview & Core Advantages
The SF075AR0 is a high-performance Angular Contact Ball Bearing engineered for demanding applications requiring exceptional precision and reliability. Manufactured with stainless steel rings and balls and a brass cage, this bearing is designed to handle significant combined loads, including high radial and axial loads in one direction. Its 30° contact angle optimizes axial load capacity while maintaining high-speed capability. With an ABEC-1 precision class and standard lubrication, the SF075AR0 delivers consistent performance and long service life in corrosive or clean environments, making it an ideal choice for high-rigidity, precision systems.
SF075AR0 Bearing Model Code Explained, Specifications & Naming Convention
The model number SF075AR0 provides key technical specifications:
- SF075: Indicates a "Reali-Slim" thin-section bearing series with a 7.5" bore diameter
- A: Denotes Angular Contact design with a 30° contact angle
- R0: Specifies Open construction (no seals or shields) with standard radial internal clearance
SF075AR0 Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The single-row angular contact design with 30° contact angle provides excellent resistance to combined radial and axial loads, with static load ratings of 11,000 lbf radial and 12,130 lbf axial.
- Precision Performance: Manufactured to ABEC-1 tolerance standards with tight dimensional control (bore/OD tolerance: -0.0012" to 0") ensures consistent operation and precise positioning.
- Corrosion Resistance: Constructed entirely from stainless steel components, making it suitable for harsh environments, food processing, and medical applications where corrosion resistance is critical.
- Optimized Cage Design: The brass cage provides excellent durability and guidance, contributing to smooth operation at higher speeds.
- Thin-Section Advantage: With a compact cross-section (0.75" width relative to 7.5" bore), this bearing saves space and weight while maintaining high load capacity.
SF075AR0 Bearing Typical Application Areas
The SF075AR0 angular contact ball bearing is ideally suited for:
- Robotics and Automation: Joint bearings, rotary tables, and precision positioning systems
- Aerospace Equipment: Control mechanisms, actuator systems, and instrumentation
- Medical Devices: Surgical robots, imaging equipment, and laboratory instrumentation
- Food Processing Machinery: Where corrosion resistance and cleanability are essential
- Semiconductor Manufacturing: Precision stages and handling equipment requiring high accuracy
- Optical and Measurement Systems: Rotary encoders, tracking systems, and precision instruments
