3M 
1
/8 in. to 
3
/4 in. File Belt Sander  7  Revision 022514
File Belt Contact Arms
File Belt Arm Description Arm P/N Repair Kit P/N Description Qty
Thick Standard Style 28371 30664
Pad, Neoprene Platen 
3
/4 in.Wide 2
Wheel, Contact 
3
/4 in. Dia x 
5
/8 in. Wide 1
Bearing, 
3
/8 in. OD x 
1
/8 in. ID x 
5
/32 in. Wide 2
Shaft, 
1
/8 in. Dia x 
3
/4 in. Lg, Bearing Contact Wheel 1
20
1
/2 in. Arm 28373 30665
Pad, Cork Platen 
3
/4 in. Wide 2
Wheel, Contact 
3
/4 in. Dia x 
5
/8 in. Wide 1
Bearing, 
3
/8 in. OD x 
1
/8 in. ID x 
5
/32 in. Wide 2
Shaft, 
1
/8 in. Dia x 
3
/4 in. Lg, Bearing Contact Wheel 1
Standard Style 28368 30663
Pad, Neoprene Platen 
1
/2 in. Wide 2
Wheel, Contact 
5
/8 in. Dia x 
3
/8 in. Wide 1
Shaft 
1
/8 in. Dia x 
1
/2 in. Lg, Bearing Contact Wheel 1
Bearing, 
3
/8 in. OD x 
1
/8 in. ID x 
5
/32 in. Wide 2
Thin Style 28369 30667
Pad, Platen Cork 
1
/2 in. Wide 1
Bearing, 
1
/4 in. OD x 
1
/8 in. ID x 
7
/64 in. Wide 2
Wheel, Contact 
5
/16 in. Dia x 
3
/8 in. Wide 1
Shaft 
1
/8 in. Dia x 
1
/2 in. Lg, Bearing Contact Wheel 1
Corners Style 28370 30668
Bearing, 
3
/8 in. OD x 
1
/8 in. ID x 
5
/32 in. Wide 2
Shaft 
1
/8 in. Dia x 
1
/2 in. Lg, Bearing Contact Wheel 1
Wheel, Contact 1 in. Dia x 
3
/8 in. Wide 1
Corners Style 28372 30666
Wheel, Contact 1 in. Dia x 
3
/8 in. Wide 1
Bearing, 
3
/8 in. OD x 
1
/8 in. ID x 
5
/32 in. Wide 2
Shaft 
1
/8 in. Dia x 
1
/2 in. Lg, Bearing Contact Wheel 1
Curved Arm 28374 30662
Pad, Platen Cork 
1
/2 in. Wide 1
Wheel, Contact 
5
/8 in. Dia x 
3
/8 in. Wide 1
Bearing, 
3
/8 in. OD x 
1
/8 in. ID x 
5
/32 in. Wide 2
Shaft 
1
/8 in. Dia x 
1
/2 in. Lg, Bearing Contact Wheel 1
Vessel Arm 28375 30669
Washer 1
Bearing, 
5
/8 in. x 
1
/4 in. x .196 in. wide 2
Contact Wheel - 4 in. 1
Screw, Soc Hd 
1
/4-28 x 
3
/4 in. 1
Extension 28376 N/A
Spring, Tracking Bias 1
Screw 1