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I – Inboard Mount
O – Outboard Mount
X – Balanced
(tp) – Patented TruPilot Feature
(a) – Unequally spaced exciter ring mounting
(b) – Equally spaced exciter ring mounting
(c) – Peripheral mount pilot
(d) – Furnished with set screw holes
(e) – Notched
(f) – For ball seat or hub piloted applications
(o) – OEM captive part number
Active Part Numbers
In Order by Part Number
Active Part Numbers
In Order by Size
Obsolete Part Numbers
In Order by Part Number
Gunite
No.
Drum
Weight
Drum
Mount
Drum
Type
Wheel
Type
Brake Size
Overall
Depth
Width
of Brake
Surface
Pilot
Dia.
Bolt
Circle
Dia.
Bolt Holes
Special Information
No.
Size
2742X 58
I
CAA Spoke
15.00x5.00 5.69 5.44 13.25 12.00
5
0.64
2747
145
I
ABB Spoke
18.00x7.00 8.88 7.56 11.25 12.75
6
0.65
2747A 145
I
ABB Spoke
18.00x7.00 8.88 7.56 11.25 12.75
6
0.78
2747AX 145
I
ABB Spoke
18.00x7.00 8.88 7.56 11.25 12.75
6
0.78
2747B 145
I
ABB Spoke
18.00x7.00 8.88 7.75 11.25 12.75
6
0.78
2747BX 145
I
ABB Spoke
18.00x7.00 8.88 7.75 11.25 12.75
6
0.78
2747C 145
I
ABB Spoke
18.00x7.00 8.88 7.56 11.25 12.75
6
0.78
2747CX 145
I
ABB Spoke
18.00x7.00 8.88 7.56 11.25 12.75
6
0.78
2747E 145
I
ABB Spoke
18.00x7.00 8.88 7.56 11.25 12.75
6
0.78
2747EX 145
I
ABB Spoke
18.00x7.00 8.88 7.56 11.25 12.75
6
0.78
2747FX 145
I
ABB Spoke
18.00x7.00 8.88 7.56 11.25 12.75
6
0.65
2747FX 145
I
ABB Spoke
18.00x7.00 8.88 7.56 11.25 12.75
6
0.78
2747X 145
I
ABB Spoke
18.00x7.00 8.88 7.56 11.25 12.75
6
0.65
2762
64
I
AAA Spoke
17.25x4.00
5.18 4.50 11.25 12.75
6
0.65
2762X 64
I
AAA Spoke
17.25x4.00
5.18 4.50 11.25 12.75
6
0.65
2764A 117
O BDA Disc
16.50x7.00 10.69 7.75 8.78 11.25
10
1.00
2764AX 117
O BDA Disc
16.50x7.00 10.69 7.75 8.78 11.25
10
1.00
2764B 117
O BDA Disc
16.50x7.00 10.69 7.75 9.44
11.25
10
0.81
2764BX 117
O BDA Disc
16.50x7.00 10.69 7.75 9.44
11.25
10
0.81
2764C 117
O BDA Disc
16.50x7.00 10.69 7.75 8.53 11.25
10
0.81
2764CX 117
O BDA Disc
16.50x7.00 10.69 7.75 8.53 11.25
10
0.81
2769 (o)
105
O BDA Disc
16.50x7.00 10.59 7.75 9.00 11.25
10
0.81
2769A
(o)
105
O BDA Disc
16.50x7.00 10.59 7.75 9.00 11.25
10
1.00
2769AX
(o)
105
O BDA Disc
16.50x7.00 10.59 7.75 9.00 11.25
10
1.00
2769B
(o)
105
O BDA Disc
16.50x7.00 10.59 7.75 9.00 11.25
10
1.00
2769BX
(o)
105
O BDA Disc
16.50x7.00 10.59 7.75 9.00 11.25
10
1.00
2769X
(o)
105
O BDA Disc
16.50x7.00 10.59 7.75 9.00 11.25
10
0.81
2770
73
O BCH Disc
15.00x4.00
7.71
4.75 6.43 8.75
10
0.81
Furnished with set screw
holes.
2770A 73
O BCH Disc
15.00x4.00
7.71
4.75 6.43 8.75
6
0.81
Furnished with set screw
holes.
2770AX 73
O BCH Disc
15.00x4.00
7.71
4.75 6.43 8.75
6
0.81
Furnished with set screw
holes.
2770B 73
O BCH Disc
15.00x4.00
7.71
4.75 6.43 8.75
6
0.81
Furnished with set screw
holes.
2770BX 73
O BCH Disc
15.00x4.00
7.71
4.75 6.43 8.75
6
0.81
Furnished with set screw
holes.
2770D 73
O BCH Disc
15.00x4.00
7.71
4.75 6.43 8.75
6
0.81
2770DX 73
O BCH Disc
15.00x4.00
7.71
4.75 6.43 8.75
6
0.81
2770X 73
O BCH Disc
15.00x4.00
7.71
4.75 6.43 8.75
10
0.81
Furnished with set screw
holes.
2771
74
O BCH Disc
15.00x4.00
7.71
4.75 4.81
7.25
10
0.64 Furnished with set screw
holes.
2771A
74
O BCH Disc
15.00x4.00
7.71
4.75 5.31
7.25
10
0.64 Furnished with set screw
holes.
2771AX 74
O BCH Disc
15.00x4.00
7.71
4.75 5.31
7.25
10
0.64 Furnished with set screw
holes.
2771X
74
O BCH Disc
15.00x4.00
7.71
4.75 4.81
7.25
10
0.64 Furnished with set screw
holes.
2774
92
O BDA Disc
15.00x7.00 9.46 7.50 9.00 11.25
10
0.81
2774X
92
O BDA Disc
15.00x7.00 9.46 7.50 9.00 11.25
10
0.81
2778 (o)
71
I
AAA Disc
15.00x5.00 6.62 5.50 9.44
11.25
10
1.25