SFRW144
SFRW Series Stainless Steel Extended Inner Ring Flanged Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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SFRW144 Bearing Product Overview & Core Advantages
The SFRW144 is a single row ball bearing designed for high-precision applications requiring reliable radial load capacity. Manufactured entirely from stainless steel, it offers excellent corrosion resistance and is suitable for a wide operating temperature range from -86 to 230 °F. Its compact inch series design, featuring an extended inner ring, provides easy mounting and stable performance in demanding environments. This bearing is an ideal solution for applications where precision, durability, and compliance with ROHS and REACH standards are critical.
SFRW144 Bearing Model Code Explained, Specifications & Naming Convention
The SFRW144 model designation signifies a specific bearing configuration. While the base number indicates core dimensions, the construction is defined by its open design and material specification.
- SFRW: Denotes the specific bearing series with an extended inner ring design.
- 144: Specifies the dimensional series in inches.
- Open Seal Type: Indicates the bearing has no integral seals or shields, allowing for higher speeds and custom lubrication schemes.
- Stainless Steel Construction: All components (rings, balls, cage) are made from stainless steel for corrosion resistance.
- ABEC1 Tolerance: Specifies a standard level of precision for runout and dimensional accuracy.
- MC3 Clearance: Defines a standard radial internal clearance range suitable for most applications.
SFRW144 Bearing Structural Features & Performance Benefits
The SFRW144's performance is derived from its robust construction and material selection.
- High Corrosion Resistance: The all-stainless steel construction ensures long-term performance in harsh or wash-down environments.
- Optimized Load Capacity: The single row design with 7 precision balls provides a radial dynamic load rating of 49 lbf, handling significant radial forces for its size.
- Extended Inner Ring: This feature simplifies axial location and mounting, improving assembly accuracy and stability.
- High-Speed Capability: The open design and stainless steel cage contribute to a high limiting speed of 60,300 rpm, making it suitable for high-speed spindles and instruments.
- Precision Operation: Manufactured to ABEC1 tolerance class with controlled radial internal clearance, it ensures smooth and quiet running.
SFRW144 Bearing Typical Application Areas
The SFRW144 is engineered for precision applications across various industries, including:
- Precision Instruments: Optical encoders, measuring devices, and sensitive laboratory equipment.
- High-Speed Spindles: Small-diameter spindles in dental handpieces, PCB drilling machines, and miniature machining centers.
- Medical Devices: Surgical tools and pumps where corrosion resistance and reliability are paramount.
- Office Automation: Scanners, printers, and copiers requiring durable, long-life ball bearings.
- Food and Beverage Equipment: Conveyor systems and dispensers benefiting from stainless steel's hygienic properties.
