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

• Oil-Impregnated Sintered Bronze Bearing SAE 840
• Carbon Steel Retainer, Black Oxide Finish
• 303 Stainless Steel Retainer
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 Diameter +.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 |

SHAFT RECOMMENDATIONS:
Finish: 16 µin. or finer.
Material: Cold-rolled steel, drill rod, hardened and ground steels, or nonaustenitic stainless steel. RB 100 min.
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 Knurl O.D. |
D Height |
A Panel Hole Dia. |
B Min. Panel Thickness |
Max. Speed rpm |
Max. Radial Dyn. Load lbf |
---|---|---|---|---|---|---|---|---|---|
B#BRSS-K125 | 1/8 | .1255 | .1260 | .39 | .29 | .344 | .04 | 30550 | 70 |
BDBRSS-K187 | 3/16 | .1883 | .1888 | .55 | .40 | .500 | .04 | 20310 | 140 |
BDBRSS-K250 BSBRSS-K250 |
1/4 | .2508 | .2513 | .55 | .40 | .500 | .04 | 15270 | 190 |
BDBRSS-K312 BSBRSS-K312 |
5/16 | .3133 | .3140 | .67 | .46 | .625 | .06 | 12240 | 270 |
BDBRSS-K375 BSBRSS-K375 |
3/8 | .3758 | .3765 | .67 | .46 | .625 | .06 | 10180 | 320 |
BDBRSS-K500 BSBRSS-K500 |
1/2 | .5010 | .5017 | .87 | .64 | .812 | .06 | 7640 | 600 |
BDBRSS-K625 | 5/8 | .6260 | .6270 | 1.10 | .77 | 1.063 | .09 | 6110 | 890 |
BSBRSS-K750 | 3/4 | .7510 | .7520 | 1.30 | .89 | 1.250 | .09 | 5090 | 1280 |