New Needle Roller Pressbearings from QBC Are Self-Aligning
Garden City Park, New York - New series of inch and metric needle roller pressbearings from Quality Bearings & Components - QBC are self-clinching and self-aligning and are designed for high-speed, high-load applications. These pressbearings are identified as the BDNRSS-... Series in inch and BDNRSSM... Series in metric. They are made to fit shafts ranging from .1247" to .6245" in diameter (3.992 mm to 17.989 mm ). The overall diameter of the knurled flanges range from .55". to 1.30" (17 mm to 33 mm). Installation is simple and quick without the use of mounting blocks. Operating temperatures range from -22°F to +248°F (-30°C to +120°C).
• Drawn Cup Needle Roller Bearing
• Carbon Steel Retainer, Black Oxide Finish
Features:
• Simple quick press-fit installation • Self-aligning to ±5°
• High-speed, high-load • No precision holes required
• Major assembly and production savings
Operating Temperature:
-22°F to +248°F
NOTE: Hardened steel shaft required
INSTALLATION:
1. Punch or drill and ream a hole of diameter A in panel as specified in the Design Parameters table.
DO NOT DEBURR OR BREAK EDGE OF HOLE.
2. Place bearing assembly in hole. The slight interference fit assures centering the assembly in the mounting hole.
3. Using an anvil with diameter N, a minimum depth of O and a punch diameter of P, press the bearing assembly into the panel by constantly applying a force of F, per the table, until the assembly is flush with the panel surface.
DO NOT USE HAMMER BLOWS!
SHAFT RECOMMENDATIONS:
Shafts should be hardened to Rc 58 to 64 with 16 µin. finish. Shaft ends should have radii or be chamfered.
INSTALLATION NOTES:
1. The punch must be relieved to accommodate protruding insert.
2. DO NOT PRESS BEARING ON INSERT!
DESIGN PARAMETERS
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