Deep groove ball bearing
16004 Bearing Dimensions
16004 deep groove ball bearing: bore 20 mm, dimensions 20x42x8 mm (ISO 15). Open, ZZ and 2RS variants, designation breakdown and size-equivalent codes.
16004 specifications
| Bore d | 20 mm |
|---|---|
| Outside diameter D | 42 mm |
| Width B | 8 mm |
| Seal / shield options | Open; ZZ (two metal shields); 2RS (two rubber seals) |
| Material | GCr15 chrome bearing steel (rings and rolling elements) |
| Precision | P0 (standard); P6 on request |
| Radial clearance | C0 (standard); C3 on request |
| Load ratings | Load ratings available on request for the specific batch and manufacturer. |
How to read the 16004 designation
| Segment | Meaning |
|---|---|
| 16 | Deep groove ball bearing, narrow width series (ISO dimension series 10, reduced width) |
| 0 | Diameter series 0 |
| 04 | Bore code 04 → 20 mm bore. ISO bore code (00–03 = 10/12/15/17 mm; 04 and above = code × 5 mm). |
16004 interchange by brand
16004 is an ISO designation. The boundary dimensions are identical across manufacturers; only suffixes (seals, clearance, cage) differ.
| SKF | NSK | NTN | FAG | Timken | Note |
|---|---|---|---|---|---|
| 16004 | 16004 | 16004 | 16004 | 16004 | Same ISO designation |
Typical applications
- Electric motors
- Fans and blowers
- Water pumps
- Gearboxes
- Agricultural and textile machinery
FAQ
Is 16004 the same size across brands?
Yes. 16004 is an ISO designation, so the bore, outside diameter and width are the same whichever manufacturer made it. Brand-specific suffixes only change details such as seals, clearance or cage.
Where are the load ratings for 16004?
Dynamic and static load ratings differ by manufacturer and batch, so they are not published on this page. Load ratings available on request for the specific batch and manufacturer.