Page 4 of 12
2.0
SPECIFICATIONS
2.1
Brake Disc Rotor specifications.
Caliper Size
WDA-26
WDA-28
A
30” [762]
40” [1016]
48.3” [1227]
48.5” [1232]
54.7” [1389]
60.5” [1537]
B
7” [178]
7” [178]
7” [178]
10.5” [267]
10.5” [267]
10.5” [267]
C
14” [356]
23.7” [602]
31” [787]
24” [610]
32” [813]
37” [940]
D
Min.
8” [203]
19.6” [498]
19.7” [500]
17.7” [450]
23.2” [589]
27.3” [693]
D
Max.
11” [279]
21” [533]
28” [711]
22” [559]
28” [711]
32.5” [826]
E
.91” [23.1]
.95” [24.1]
1” [25.4]
.91” [23.1]
1” [25.4]
1.09” [27.7]
F
Min.
5/8
” or 16
mm
5/8” or 16
mm
5/8” or 16
mm
5/8” or 16
mm
1” or 24
mm
1” or 24
mm
G
30°
20°
20°
30°
18°
18°
Wt.
Lbs. (Kg)
360 (163)
430 (195)
620 (281)
780 (354)
900 (408)
990 (449)
Max. RPM
1150
860
710
710
630
570
NOTE: All fasteners must be SAE Grade 8 or better.
2.2
When running at elevated temperatures, allow adequate mounting holes clearance for disc to expand and
contract during operation. Contact WPT Power with all the operating data for assistance.
2.3
When running at elevated temperatures, allow adequate male to female pilot clearance for disc to expand
and contract during operation. Brake rotor disc may also shrink and could become smaller depending on
the maximum operating temperature. Contact WPT Power with all the operating data for assistance.
2.4
Brake disc maximum RPM, see section
2.1
Brake Disc Rotor specifications
.
2.5
Brake rotor disc alignment tolerances, see section
3.0 INSPECTION
.
2.6
Recommended bolt torque values see section 9.0
Torque values.
