SB045AR0

5/16" Stainless Steel Constant Section Bearings

SB045AR0 5/16" Stainless Steel Constant Section Bearings
SB045AR0 5/16" Stainless Steel Constant Section Bearings

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Part No.
Part No. SB045AR0

Basic Information

Bearing type Ball
System of measurement Inch
Thin section bearings type Reali-Slim Stainless Steel
Construction Single Row
Weight 0.34 lbs
Tolerance class ABEC-1
ISO radial rating 2000 lbf
Seal type Open
For load direction Angular Contact

Main Dimensions

Bore diameter 4.5"
Bore diameter tolerance -0.0008"– 0"
Outside diameter 5.125"
Outside diameter tolerance -0.0008"– 0"
Width 0.3125"
Width tolerance +.000 –.005"
Contact angle 30 °

Inner Ring Dimensions

Shoulder diameter inner ring 4.731"

Outer Ring Dimensions

Outer ring large-side face inner diameter 4.96"
Outer ring small-side face inner diameter 4.893"

Performance

Temperature range -30°C to 110 °C
Radial dynamic load rating 917 lbf
Radial static load rating 2250 lbf
Axial static load rating 2240 lbf
Static load moment 6500 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: $ 244.16 / each
In Stock

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SB045AR0 Bearing Product Overview & Core Advantages

The SB045AR0 is a high-performance thin section angular contact ball bearing engineered for applications demanding precision and reliability. As part of the Reali-Slim Stainless Steel Bearings series, it features a single row design optimized to handle significant combined loads, including both radial and axial loads. Its compact cross-section and stainless steel construction make it ideal for space-constrained, high-precision assemblies requiring corrosion resistance and consistent performance under demanding conditions.

SB045AR0 Bearing Model Code Explained, Specifications & Naming Convention

Code Segment Technical Meaning
SB Reali-Slim Stainless Steel Bearing Series
045 Bore Diameter: 4.5 inches
A Angular Contact design with 30° contact angle
R0 Open seal type (no shield or seal)

SB045AR0 Bearing Structural Features & Performance Benefits

Optimized Thin-Section Design: The bearing's slim cross-section (0.3125" width) provides significant space and weight savings while maintaining structural integrity, crucial for compact machinery design.

Superior Load Capacity: With a 30° contact angle, the SB045AR0 efficiently handles combined radial and axial loads, featuring a radial dynamic load rating of 917 lbf and axial static load rating of 2240 lbf.

Precision Engineering: Manufactured to ABEC-1 tolerance standards with tight dimensional controls (bore and OD tolerance: -0.0008" to 0"), ensuring reliable performance in precision applications.

Corrosion-Resistant Materials: Constructed entirely from stainless steel rings and balls with a brass cage, providing excellent corrosion resistance and durability in harsh environments.

Wide Temperature Range: Suitable for operation from -30°C to 110°C, making it versatile for various industrial applications.

SB045AR0 Bearing Typical Application Areas

  • Robotics and Automation Systems - Precision joints and rotary actuators
  • Aerospace Components - Control mechanisms and instrumentation
  • Medical Equipment - Surgical robots and diagnostic imaging devices
  • Semiconductor Manufacturing - Precision positioning stages
  • Optical and Imaging Systems - Rotary platforms and scanning mechanisms
  • Food Processing Machinery - Corrosion-resistant rotating assemblies
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