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Universal bearing inner diameter code indicating method
Source: China Bearing Network Time: 2018-01-11
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The general bearing inner diameter code indicates the method as shown in the table below.
| Bearing inner diameter / mm | Inner diameter code description | Example | | 0. 6 to 10 (decimal) | The inner diameter (mm) is directly indicated; but the inner diameter is separated by a "/" between the scale series | 618/25 d=2. 5mm | | 1 to 9 (integer) | The inner diameter (mm) is directly indicated; but the inner diameter is separated by a "/" between the scale series | 618/5 d=5mm | | 10 to 17 | Internal diameter code 0 01 02 03 | 6201 d=12mm | | Inner diameter / mm 10 12 15 17 | 20 to 480
(22, 28, 32 outside) | 1. Multiply the inner diameter code by 5 equal to the inner diameter (mm).
2. The inner diameter (mm) divided by 5 is equal to the inner diameter code;
Merchant: 10 vacancies with "0"; such as 06 | 222006 d=30mm | Greater than and equal to 500 or
22,28,32 | The inner diameter (mm) is directly indicated; but the inner diameter is separated by a "/" between the scale series | 230/500 d=500mm
62/28 d=28mm |
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