Sintered Bronze Pressbearings
Inch
- Specs
- Drawing
- Installation
- Tooling
- Shaft Recom.

• 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


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 |
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 |

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 |