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Needle Roller Pressbearings, Knurling

Metric


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

Features:
• Self-clinching
• Self-aligning to ±5° or nonaligning
• High-speed, high-load applications
• Knurling ensures secure self-clinching
• Simple quick installation
• Major assembly and production savings
• Mounting blocks not necessary

Operating Temperature:
-30°C to +120°C

NOTE: Hardened steel shaft required.

Needle Roller Bearing Pressbearings

Pressbearings Drawn Cup

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 d2, a minimum depth of K and a punch diameter of D2, 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 d2
Anvil Dia.
+0.1
K
Min.
Anvil
Depth
D2
Min. Punch Dia.
CL
Min. Dist. Centerline to Panel Edge
Installation
Force
Cold-Rolled Steel N
4 16.35 16.6 22 11.5 49000
6 16.35 16.6 22 11.5 49000
8 21.05 21.3 27 12.7 49000
10 21.05 21.3 27 12.7 49000
12 27.45 24.5 33 19 54000
15 32.25 27.5 38 19 54000


NONALIGNING
Nominal Shaft Diameter d2
Anvil Dia.
+0.1
K
Min.
Anvil
Depth
D2
Min. Punch Dia.
CL
Min. Dist. Centerline to Panel Edge
Installation
Force
Cold-Rolled Steel N
4 13.15 15.8 19 9.5 45000
6 16.35 15.8 22 11.5 49000
8 16.35 16.1 22 11.5 49000
10 21.05 17.7 27 12.7 49000
12 21.05 17.7 27 12.7 49000

Pressbearings

SHAFT RECOMMENDATIONS:
Shafts should be hardened to HRC 58 to 64 with a 0.4 µm 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
4 3.992 4.000 3.992 4.000
6 5.992 6.000 5.992 6.000
8 7.991 8.000 7.991 8.000
10 9.991 10.000 9.991 10.000
12 11.989 12.000 11.989 12.000
15 14.989 15.000 14.989 15.000

FIGURE 1 – SELF-ALIGNING
Catalog Number d Nom. I.D. Shaft Diameter Min. Shaft Diameter Max. D
Knurl O.D.
H
Height
d1
Panel Hole
T
Min. Panel Thickness
Max.
Speed rpm
Max.
Radial Load N
BDNRSSMSAK04 4 3.992 4.000 17 11.6 15.9 1.5 41000 1780
BDNRSSMSAK06 6 5.992 6.000 17 11.6 15.9 1.5 35000 2030
BDNRSSMSAK08 8 7.991 8.000 22 16.3 20.6 1.5 28000 2750
BDNRSSMSAK10 10 9.991 10.000 22 16.3 20.6 1.5 23000 4400
BDNRSSMSAK12 12 11.989 12.000 28 19.5 27 2 20000 4950
BDNRSSMSAK15 15 14.989 15.000 33 22.5 31.8 2.3 16000 7900


FIGURE 2 – NON-ALIGNING
Catalog Number d Nom. I.D. Shaft Diameter Min. Shaft Diameter Max. D
Knurl O.D.
H
Height
d1
Panel Hole
T
Min. Panel Thickness
Max.
Speed rpm
Max.
Radial Load N
BDNRSSMNAK04 4 3.992 4.000 14 10.8 12.7 1 41000 1780
BDNRSSMNAK06 6 5.992 6.000 17 10.8 15.9 1.5 35000 2030
BDNRSSMNAK08 8 7.991 8.000 17 11.1 15.9 1.5 28000 2750
BDNRSSMNAK10 10 9.991 10.000 22 12.7 20.6 1.5 23000 4400
BDNRSSMNAK12 12 11.989 12.000 22 12.7 20.6 1.5 20000 4950
BDNRSSMNAK15 15 14.989 15.000 28 18.7 27 2 16000 7900
BDNRSSMNAK18 18 17.989 18.000 33 16 31.8 2.3 13000 8100
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