Description
Flat-Milled Renewable Bushings
Replaceable bushing used for extra resistance to rotational forces under harsh conditions. This type of bushing, generally used with a liner bushing, has a milled locking flat to allow fastening securely with a Flat Clamp. FM bushings also have a standard recess on the other side to allow fastening with a Lockscrew instead.
Application Information
This replaceable bushing, generally used with a liner bushing, has a milled locking flat to allow fastening securely with a Flat Clamp.
ID Tolerance
Standard ID Tolerance:
- From #80 to 1/4″ +0.0001/+0.0004
- Over 1/4 to 3/4″ +0.0001/+0.0005
- Over 3/4 to 1-1/2″ +0.0002/+0.0006
- Over 1-1/2 and up +0.0003/+0.0007
Reamer ID Tolerance (Special):
- From #80 to 1/4″ +0.0005/+0.0008
- Over 1/4 to 3/4″ +0.0006/+0.0010
- Over 3/4 to 1-1/2″ +0.0008/+0.0012
OD Tolerance
Standard OD Tolerance:
- 3/16 to 1″ 0/-0.0002
- 1-3/8 to 1-3/4″ 0/-0.0003
- 2-1/4 to 3-1/4″ 0/-0.0004
No-Counterbore Option on Long Bushings*
Extremely long bushings with a small ID size are counterbored according to ANSI standards for proper drill-bearing length to eliminate binding and heat buildup.
Material
| Material | Heat Treat | Finish | DFARS | RoHS |
| 1144 Stressproof Steel | heat treated to achieve Rc 62-64 ID hardness | – |
Parts Specification
| Standard Drill Sizes | OD (Inch) | Length (Inch) | F Diameter (Inch) | G (Inch) | H (Inch) | J (Inch) | K (Inch) | M (Inch) | N (Inch) | R (Inch) |
| 31/321-13/32, 25.00-35.00mm | 1-3/4″ | 3/4″ | 2-19/64″ | 3/8″ | 3/16″ | 1″ | 7/8″ | 1-41/64″ | 1-33/64″ | 1-25/64″ |
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