604 bearing: 4 × 12 × 4 mm
Bearings › 604
A 604 is a deep groove ball bearing, 4 mm bore, 12 mm outside diameter, 4 mm wide. Variants: 604-2RS (rubber sealed), 604-ZZ (metal shields), 604 open.
| Bore | 4 mm |
|---|---|
| Outside diameter (OD) | 12 mm |
| Width | 4 mm |
Sizes from maker catalogues. No sourced load ratings for this one yet, so none are shown.
Open 604 in BenchsmithAdd to order list
What the number means
6 | Deep groove ball bearing, miniature |
0 | Size series |
4 | Bore 4 mm (under 10 mm the last digit is the bore) |
Ask for
- 604-2RS: rubber sealed both sides. Other brands: SKF 604-2RSH, FAG 604-2RSR, NSK 604DDU, NTN 604LLU, Koyo 604-2RS.
- 604-ZZ: metal shields both sides. Other brands: SKF 604-2Z, FAG 604-2ZR, NSK 604ZZ, NTN 604ZZ, Koyo 604ZZ.
- 604: open, no seals or shields.
Add C3 for electric motors and anything that runs hot.
Same bore, different size
- 6244 × 13 × 5
One size up or down
Every bearing 4 × 12 × 4 mm: 4 × 12 × 4 mm bearings. Measured a bearing with no number on it? Type the bore, OD and width into Benchsmith → Find → Bearing.