California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 7 - General Industry Safety Orders
Group 3 - General Plant Equipment and Special Operations
Article 21 - Use, Care, and Protection of Abrasive Wheels
Table A-1 - Minimum Dimensions for Straight Relieved Flanges
Universal Citation: 8 CA Code of Regs A-1
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
|
A* |
B |
C |
D |
E |
|
|
Diameter of Wheel |
Minimum Outside Diameter of Flanges |
Radial Width of Bearing Surface |
Minimum Thickness of Flange at Bore |
Minimum Thickness of Flange at Edge of Recess |
|
| __________________________________________________ | |||||
|
Minimum |
Maximum | ||||
| Inches | Inches | Inches | Inches | Inches | Inches |
| 1 | 3/8 | 1/16 | 1/8 | 1/16 | 1/16 |
| 2 | 3/4 | 1/8 | 3/16 | 1/8 | 3/33 |
| 3 | 1 | 1/8 | 3/16 | 3/16 | 3/33 |
| 4 | 1 1/8 | 1/8 | 3/16 | 3/16 | 1/8 |
| 5 | 1 3/4 | 3/16 | 1/4 | 1/4 | 1/8 |
| 6 | 2 | 1/4 | 1/2 | 3/8 | 3/16 |
| 7 | 2 1/2 | 1/4 | 1/3 | 3/8 | 3/16 |
| 8 | 3 | 1/4 | 1/2 | 3/8 | 3/16 |
| 10 | 3 1/2 | 3/16 | 3/8 | 3/8 | 1/4 |
| 12 | 4 | 3/16 | 3/8 | 1/3 | 3/16 |
| 14 | 4 1/2 | 3/8 | 3/4 | 1/2 | 3/16 |
| 16 | 5 1/2 | 1/2 | 1 | 1/2 | 3/16 |
| 18 | 6 | 1/2 | 1 | 3/8 | 3/8 |
| 20 | 7 | 3/8 | 1 1/4 | 3/8 | 3/8 |
| 22 | 7 1/2 | 3/8 | 1 1/4 | 3/8 | 7/16 |
| 24 | 8 | 3/4 | 1 1/4 | 3/8 | 7/16 |
| 26 | 8 1/2 | 3/4 | 1 1/4 | 1/8 | 1/2 |
| 28 | 10 | 7/8 | 1 1/2 | 3/4 | 1/2 |
| 30 | 10 | 7/8 | 1 1/2 | 3/4 | 3/8 |
| 36 | 12 | 1 | 2 | 7/8 | 3/4 |
| 42 | 14 | 1 | 2 | 7/8 | 3/4 |
| 48 | 16 | 1 1/4 | 2 | 1 1/8 | 1 |
| 60 | 20 | 1 1/4 | 2 | 1 1/4 | 1 1/8 |
| 72 | 24 | 1 1/2 | 2 1/2 | 1 3/8 | 1 1/4 |
| * Flanges for wheels under 2 inches diameter may be unrelieved and shall be maintained flat and true. | |||||
1. New NOTE filed 11-22-85; effective thirtieth day thereafter (Register 85, No. 48).
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
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