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Needle Roller Pressbearings, Drawn Cup

Inch


  • Specs
  • Drawing
  • Installation
  • Tooling
  • Shaft Recommendations
Pressbearings Drawn Cup Needle Roller
• Drawn Cup Needle Roller Bearing
• Carbon Steel Retainer, Black Oxide Finish

Features:
• High-speed, high-load
• Major assembly and production savings
• No precision holes required
• Simple quick press-fit installation
• Self-aligning to ±5°

Operating Temperature:
-22°F to +248°F

NOTE: Hardened steel shaft required
Needle Roller Pressbearing

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!
SELF-ALIGNING
Nominal
Shaft
Diameter
N
Anvil Dia.
+.005
-.000
O
Min.
Anvil
Depth
P
Min.
Punch
Dia.
CL
Min. Dist.
Centerline to
Panel Edge
Installation
Force
F
Cold-Rolled
Steel tons
1/8 .515 .60 .75 .38 5.0
3/16 .640 .66 .87 .45 5.5
1/4 .640 .66 .87 .45 5.5
5/16 .827 .84 1.07 .50 5.5
3/8 .827 .84 1.07 .50 5.5
1/2 1.078 .97 1.30 .75 6.0
5/8 1.265 1.09 1.50 .75 6.0
NONALIGNING
Nominal
Shaft
Diameter
N
Anvil Dia.
+.005
-.000
O
Min.
Anvil
Depth
P
Min.
Punch
Dia.
CL
Min. Dist.
Centerline to
Panel Edge
Installation
Force
F
Cold-Rolled
Steel tons
1/8 .390 .51 .62 .25 2.0
3/16 .515 .70 .75 .38 5.0
1/4 .640 .64 .87 .45 5.5
5/16 .640 .64 .87 .45 5.5
3/8 .827 .64 1.07 .50 5.5
1/2 .890 .70 1.12 .63 6.0
9/16 1.078 .94 1.30 .75 6.0
3/4 1.265 .83 1.50 .75 6.0

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!

Shaft Diameters
Nominal
Shaft
Diameter
Self-Aligning
Min.
Diameter
Self-Aligning
Max.
Diameter
Nonaligning
Min.
Diameter
Nonaligning
Max.
Diameter
1/8 .1247 .1250 .1247 .1250
3/16 .1872 .1875 .1872 .1875
1/4 .2495 .2500 .2495 .2500
5/16 .3120 .3125 .3120 .3125
3/8 .3754 .3759 .3745 .3750
1/2 .4995 .5000 .4995 .5005
5/8 .6245 .6250 .6245 .6250

Catalog Number Nom.
I.D.
Shaft Diameter
Min.
Shaft Diameter
Max.
A
Panel Hole
C
Flange Dia.
E
Height
Max.
Speed
rpm
Max.
Radial Load
lbf
BDNRSS-SAS125 1/8 .1247 .1250 .500 .56 .37 31500 240
BDNRSS-SAS187 3/16 .1872 .1875 .625 .69 .43 21000 630
BDNRSS-SAS250 1/4 .2495 .2500 .625 .69 .43 44000 570
BDNRSS-SAS312 5/16 .3120 .3125 .812 .88 .60 35500 650
BDNRSS-SAS375 3/8 .3745 .3750 .812 .88 .60 29500 650
BDNRSS-SAS500 1/2 .4995 .5000 1.063 1.13 .77 22000 1040
BDNRSS-SAS625 5/8 .6245 .6250 1.250 1.31 .85 17600 1830
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