6301 Bearing Dimensions
12 × 37 × 12 mm
✓ Verified starter recordThe standard 6301 bearing has a 12 mm bore, 37 mm outside diameter, and 12 mm width. This page provides a dimensional reference in millimeters and inches, plus nearby sizes for comparison.
6301 bearing size
| Dimension | Metric | Inches |
|---|---|---|
| Bore diameter (d) | 12 mm | 0.4724 in |
| Outside diameter (D) | 37 mm | 1.4567 in |
| Width (B) | 12 mm | 0.4724 in |
Inch values are metric conversions rounded to four decimal places.
What does 6301 mean?
6301 identifies a bearing in the 6300 dimensional series. For practical replacement work, the key fit dimensions are the bore, outside diameter and width. A part marked 6301 should therefore be checked against 12 × 37 × 12 mm before selection.
Suffixes such as seals, shields, internal clearance or manufacturer-specific variants can change construction or operating characteristics even when the principal dimensions remain the same. Confirm the exact manufacturer designation for critical applications.
Related bearing dimensions
6301 dimension FAQ
What is the bore of a 6301?
The bore diameter is 12 mm (0.4724 in).
What is the OD of a 6301?
The outside diameter is 37 mm (1.4567 in).
How wide is a 6301?
The bearing width is 12 mm (0.4724 in).