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Sintered Bronze Pressbearings

Inch


  • Specs
  • Drawing
  • Installation
  • Tooling
  • Shaft Recom.
Sintered Bronze Pressbearings
• Oil-Impregnated Sintered Bronze Bearing
• Carbon Steel Retainer, Black Oxide Finish

Features:
• Press-fit installation
• Self-aligning to ±5°
• Self-Lubricating

Operating Temperature:
-20°F to +200°F

Sintered Bronze Pressbearings

Needle Roller Pressbearing
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!

Nominal
Shaft
Diameter
A
Panel Hole
Dia.
+.003
-.000
N
Anvil
Dia.
+.005 -.000
O
Min.
Anvil
Depth
P Press Tool Min.
Dia.

CL
Min. Dist.
Centerline to Panel
Edge

Installation Force F Cold-Rolled Steel tons
1/8 .344 .359 .49 .59 .24 2.0
3/16 .500 .515 .60 .75 .38 5.0
1/4 .500 .515 .60 .75 .38 5.0
5/16 .625 .640 .66 .87 .45 5.5
3/8 .625 .640 .66 .87 .45 5.5
1/2 .812 .827 .84 1.07 .50 5.5
5/8 1.063 1.078 .97 1.30 .75 6.0
3/4 1.250 1.265 1.09 1.50 .75 6.0

 
Pressbearings

SHAFT RECOMMENDATIONS:
Finish: 16 µin. or finer.
Material: Cold-rolled steel, drill rod, hardened and ground steels, or nonaustenitic stainless steel.

INSTALLATION NOTES:
1. The punch must be relieved to accommodate protruding insert.
2. DO NOT PRESS BEARING ON INSERT!

Catalog Number Nom. I.D. I.D. Min. I.D. Max. C
Flange Dia.
D
Bearing Height
A
Panel Hole
Dia.
Max.
Speed rpm
Max. Radial Dyn. Load
lbf
BDBRSS-S125 1/8 .1255 .1260 .41 .27 .344 30550 70
BDBRSS-S187 3/16 .1833 .1888 .56 .38 .500 20310 140
BDBRSS-S250 1/4 .2508 .2513 .56 .38 .500 15270 190
BDBRSS-S312 5/16 .3133 .3140 .69 .43 .625 12240 270
BDBRSS-S375 3/8 .3758 .3765 .69 .43 .625 10180 320
BDBRSS-S500 1/2 .5010 .5017 .88 .60 .812 7640 600
BDBRSS-S625 5/8 .6260 .6270 1.13 .77 1.063 6110 890
NOTE: Shaft should be any material, soft or hard, with a 0.4 µm or finer finish.

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