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Sintered Bronze Pressbearings

Inch


  • Specs
  • Drawing
  • Installation
  • Tooling
  • Shaft Recom.
Stainless Steel Pressbearings
• 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
Sintered Bronze Pressbearings

Pressbearings Sintered Bronze Installation

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


Pressbearings

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
B#BRSS-K187 3/16 .1883 .1888 .55 .40 .500 .04 20310 140
B#BRSS-K250 1/4 .2508 .2513 .55 .40 .500 .04 15270 190
B#BRSS-K312 5/16 .3133 .3140 .67 .46 .625 .06 12240 270
B#BRSS-K375 3/8 .3758 .3765 .67 .46 .625 .06 10180 320
B#BRSS-K500 1/2 .5010 .5017 .87 .64 .812 .06 7640 600
B#BRSS-K625 5/8 .6260 .6270 1.10 .77 1.063 .09 6110 890
B#BRSS-K750 3/4 .7510 .7520 1.30 .89 1.250 .09 5090 1280


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