Browning Mounted Ball HVAC Bearings FAQ

1. What types of air-handling ball bearings are available?
   Cast iron mounted ball AH suffix products, rubber mount products, stamped steel bearings and spherical roller mounted bearing units.
2. What HVAC applications can the above bearings are used?
   The offering is used on a variety of HVAC applications including but not limited to: AC units, furnace blowers, fans, and roof-top HVAC units, up blast exhaust fans, axial fans, centrifugal blowers and cooling towers.
3. What type of bearing unit is recommended for a spider mount used in many fan applications?
   A rubber mount grommet cartridge unit is typically mounted to spider mounts in the middle of the fan blade.
4. What does the AH suffix stand for in Browning mounted ball bearing units?
   Air Handling - This suffix denotes a housing fit for air handling applications to allow for proper internal misalignment as well as 100% noise test.
5. What Browning mounted ball AH suffix housing styles are available with set screw locking?
   Pillow Block, Low Base Pillow Block, 2 Bolt Flange, 4 Bolt Flange
6. What type of set screws are used on the Browning mounted ball set screw lock product?
   Diamond faceted cup tip set screws for improved clamping and resistance to back-out. The set screws are positioned at 120° to provide a balanced 3-point contact for improved reliability and less noise and vibration.
7. What Browning mounted ball AH suffix housing styles are available with BOA concentric locking?
   Pillow block
8. What locking type is recommended for air handling applications?
   The Browning BOA concentric lock is recommended. This lock allows for a 360° lock on the shaft for easier installation, no shaft marring, minimal vibration and better lock reliability at higher speeds.
9. What type of mounted ball bearing should be selected for industrial duty applications with high loads?
   Browning mounted ball bearings are available in a 200 series standard duty and 300 series medium duty. The 300 series medium duty units accept higher loads and are used for heavier duty applications.
10. What is the temperature range for Browning ball bearings?
    -20°F to 200°F
11. What is the misalignment capability for Browning ball bearings?
    1.5°
12. What grease is used in Browning ball bearings and what is it compatible with?
    Mobil AW-2 multi-purpose lithium purpose grease, compatible with other lithium complex greases commonly used
13. Are Browning ball bearings sealed?
    Yes, Browning mounted ball bearings utilize a single lip contact seal with added flinger to keep contaminants out and grease in. The flinger adds extra protection, as is flings material away from the bearing as the bearing rotates.
14. What material are Browning ball bearings manufactured with?
    The insert raceways are manufactured from 52100 bearing steel. The housed units use cast iron housing with a semi-solid base to provide an excellent mounting foundation and prevent sheet metal buckling.
15. How are Browning mounted ball bearing identified for replacement?
    A nomenclature sticker is available on mounted units for easy replacement. The Browning ball bearing and HVAC catalogs also offer interchange from OEM equipment numbers to replacement bearing part numbers.