A * | B | C | D | E | |
---|---|---|---|---|---|
Minimum | Radial Width of | Minimum | Minimum | ||
Outside | Bearing Surface | Thickness | Thickness of | ||
Diameter | Diameter of | of Flange | Flange at Edge | ||
of Wheel | Flanges | Minimum | Maximum | at Bore | of Recess |
Inches | Inches | Inches | Inches | Inches | Inches |
---|---|---|---|---|---|
1 | ⅜ | 1/16 | ⅛ | 1/16 | 1/16 |
2 | ¾ | ⅛ | 3/16 | ⅛ | 3/33 |
3 | 1 | ⅛ | 3/16 | 3/16 | 3/33 |
4 | 1⅛ | ⅛ | 3/16 | 3/16 | ⅛ |
5 | 1¾ | 3/16 | ¼ | ¼ | ⅛ |
6 | 2 | ¼ | ½ | ⅜ | 3/16 |
7 | 2½ | ¼ | ⅓ | ⅜ | 3/16 |
8 | 3 | ¼ | ½ | ⅜ | 3/16 |
10 | 3½ | 3/16 | ⅜ | ⅜ | ¼ |
12 | 4 | 3/16 | ⅜ | ⅓ | 3/16 |
14 | 4½ | ⅜ | ¾ | ½ | 3/16 |
16 | 5½ | ½ | 1 | ½ | 3/16 |
18 | 6 | ½ | 1 | ⅜ | ⅜ |
20 | 7 | ⅜ | 1¼ | ⅜ | ⅜ |
22 | 7½ | ⅜ | 1¼ | ⅜ | 7/16 |
24 | 8 | ¾ | 1¼ | ⅜ | 7/16 |
26 | 8½ | ¾ | 1¼ | ⅛ | ½ |
28 | 10 | ⅞ | 1½ | ¾ | ½ |
30 | 10 | ⅞ | 1½ | ¾ | ⅜ |
36 | 12 | 1 | 2 | ⅞ | ¾ |
42 | 14 | 1 | 2 | ⅞ | ¾ |
48 | 16 | 1¼ | 2 | 1⅛ | 1 |
60 | 20 | 1¼ | 2 | 1¼ | 1⅛ |
72 | 24 | 1½ | 2½ | 1⅜ | 1¼ |
B * | T | |
A | Minimum Outside | Minimum Thickness |
Diameter of Wheel | Diameter of Flange | of Flange |
Inches | Inches | Inches |
1 | ⅜ | ⅛ |
2 | 1 | ⅛ |
3 | 1 | 3/16 |
4 | 1⅜ | 3/16 |
5 | 1¾ | ¼ |
6 | 2 | ⅜ |
E | |||||
B | D | Minimum | F * | ||
Wheel Diameter | Wheel | Minimum | Minimum | Thickness of | (D-E) |
Hole | Flange | Thickness of | Flange at Edge | Minimum | |
Diameter | Diameter | Flange at Bore | of Undercut | Thickness | |
Inches | Inches | Inches | Inches | Inches | Inches |
12 | 4 | 6 | ⅞ | ⅜ | ½ |
to | 5 | 7 | ⅞ | ⅜ | ½ |
14 | 6 | 8 | ⅞ | ⅜ | ½ |
Larger than | 4 | 6 | ⅞ | ⅜ | ½ |
14 | 5 | 7 | ⅞ | ⅜ | ½ |
to | 6 | 8 | ⅞ | ⅜ | ½ |
18 | 7 | 9 | ⅞ | ⅜ | ½ |
8 | 10 | ⅞ | ⅜ | ½ | |
Larger than | 6 | 8 | 1 | ⅓ | ⅛ |
18 | 7 | 9 | 1 | ½ | ½ |
to | 8 | 10 | 1 | ½ | ½ |
24 | 10 | 12 | 1 | ½ | ½ |
12 | 14 | 1 | ½ | ½ | |
Larger than 24 to 30 | 12 | 15 | 1 | ½ | ½ |
Larger than 30 to 36 | 12 | 15 | 1⅜ | ⅞ | ½ |
‘E‘ Minimum | |||||
‘B‘ Minimum | ‘D‘ Minimum | Thickness of | F * (D-E) | ||
Wheel | Wheel Hole | Flange | Thickness of | Flange at Edge | Minimum |
Diameter | Diameter | Diameter | Flange at Bore | of Undercut | Thickness |
20 | 6 | 8 | 1 | ½ | ½ |
20 | 8 | 10 | 1½ | ¾ | ¾ |
24 | 12 | 15 | 2 | 1 | 1 |
30 | 12 | 15 | 2 | 1 | 1 |
36 | 12 | 15 | 2 | 1 | 1 |
E | ||||
B | D | Minimum | ||
Minimum Outside | Minimum Thickness | Thickness of | ||
Wheel | Diameter of | of Flange | Flange at edge | |
Wheel Diameter | Hole Diameter | Flange | at Bore | of Undercut |
Inches | Inches | Inches | Inches | Inches |
12 to 14 | 5 | 7 | ⅛ | 7/16 |
5 | 7 | ⅜ | 7/16 | |
6 | 8 | ⅜ | 7/16 | |
Larger than 14 to 20 | 8 | 10 | ⅜ | 7/16 |
10 | 11½ | ⅜ | 7/16 | |
12 | 13½ | ⅜ | 7/15 | |
8 | 10 | ¾ | ½ | |
Larger than 20 to 30 | 10 | 11½ | ¾ | ½ |
12 | 13½ | ¾ | ½ | |
15 | 17½ | ¾ | ½ | |
12 | 13½ | ¾ | ½ | |
16 | 17½ | ¾ | ½ | |
Larger than 30 to 42 | 18 | 19½ | ¾ | ½ |
20 | 21½ | ¾ | ½ | |
16 | 20 | 1 | ¾ | |
Larger than 42 to 60 | 20 | 24 | 1 | ¾ |
24 | 29 | 1⅛ | ⅞ | |
Maximum | ||||
Thickness | Distance | |||
Minimum | Thickness | Minimum | between | |
Material | Diameter of | of Band | Diameter | Centers of |
Specifications | Wheel | A | of Rivets | Rivets |
Inches | Inches | Inches | Inches | |
Under 8 | 1/16 | 3/16 | ¾ | |
Hot Rolled Steel SAE 1008 | 8 to 24 | ⅛ | ¼ | 1 |
Over 24 to 30 | ¼ | ⅜ | 1¼ | |
Appendix A
Appendix B
Appendix C
Appendix D
Appendix E
Appendix F
Appendix G
Go Back to Article 21 Table of Contents