Aerospace: 
			Airframe Control Bearings
		
		
			Aerospace Bearings  » Airframe Control 
			
			
			
				
			            
			
				
		
						B538 Bearing Airframe Control | Torque Tube
- Part No.
 - B538
 - Governing Specs
 - SAE AS7949
 
Specifications

- Duty
 - Extra Light Duty
 - Bore Inner Diameter
 - .6250 +.0000/-.0005
 - Outer Diameter
 - 1.0625 +.0000/-.0005
 - Inner Ring Width
 - .2810 +.000/-.005
 - Outer Ring Width
 - .2500 +.000/-.005
 - Inner Ring Shoulder Diameter
 - .7810 Approx.
 - Outer Ring Chamfer x 45°
 - .0150 +.015/-.000
 - Inner Ring Chamfer x 45°
 - .0150 +.015/-.000
 - No. Balls
 - 21
 - Ball Size
 - 1/8 "
 - Static Radial Limit Load Rating
 - 3280 lbs.
 - Static Thrust Limit Load Rating
 - 1500 lbs.
 - Approx. Weight
 - 0.020 lbs.
 
Interchange
National Precision Bearing Part No B538 is an interchangable replacement for these common bearing part numbers:
- NHBB
 - B538
 - RBC Aircraft
 - B538 FS464
 - Schatz
 - B538
 
Dimensions and Values provided are for reference only. A full specification can be obtained at the Society of Automotive Engineering website.
