Product Description
QAFY/QAAFY Round Flange Bearing Units
Available in both single-collar (QA) and double-collar (QAA) versions, the CL bearing series features a concentric locking collar with two set screws at 60 degrees to provide maximum
positive locking power with minimal run out
Please refer to both the image in the photo carousel labeled "Product Data Tables" and the .PDF file icon located below for an immediate breakdown of how the Timken Blue Brute® series interchanges by part number and equates to other competing manufacturers nomenclature
Select from the many options offered by the Timken spherical roller bearing (SRB) Blue Brute® series
Two bolt pillow blocks
Four bolt pillow blocks
Flange blocks: square & round versions (piloted option available on some units)
Piloted flange cartridges
Take-up blocks
Cartridge blocks
Hanger blocks
Labyrinth seals: DuPont® teflon (T)
Triple-lip seals: nitrile rubber (M), urethane (O) and DuPont® viton (N)
Double-lip seals: nitrile rubber (B) and DuPont® viton (C)
Steel and urethane closed-end covers (CS)
Steel and urethane open-end covers (CJ) with: DuPont® teflon labyrinth seals (T), triple-lip seals (DR), and V-ring seals (VR)
Piloted flange cartridge backing plates (HSY) with triple-lip seals (DR)
Flange block backing plates (UFP) with optional V-rings (VR)
Timken Solid Steel SRB Units
Competitors Interchange (Please note: not all listed round piloted unit equivalents necessarily have the same pilot depth - please confirm before ordering)
Timken stronger by design
Shaft size
Shaft size 2-1/2"
Seal lip material Nitrile
Seal type Double lip
Seal suffix B
Fits covers CA/CS/CADR/CAVR
Denomination Inch
Bearing posistion Fixed
Shaft mount Single concentric collar
Factory greased Yes
Finish Painted
*For quick delivery The "M" seal is the most commonly ordered seal among all block types