How do you read the code 6304?

Q: How do you read the code 6304?

Short answer: `63` = deep-groove ball bearing, `0` = light dimension series, `4` = bore code → 20 mm bore. Bore rule: 00 → 10 mm, 01 → 12 mm, 02 → 15 mm, 03 → 17 mm, 04 and above × 5 = bore in mm. Here 4 × 5 = 20 mm.

Question

Accepted Answer

Short answer: `63` = deep-groove ball bearing, `0` = light dimension series, `4` = bore code → 20 mm bore.

Bore rule: 00 → 10 mm, 01 → 12 mm, 02 → 15 mm, 03 → 17 mm, 04 and above × 5 = bore in mm. Here 4 × 5 = 20 mm.