# 607 bearing dimensions

A 607 bearing is 7 mm bore × 19 mm outside diameter × 6 mm wide (0.276 × 0.748 × 0.236 in). The sealed version is 607-2RS; the shielded version is 607-ZZ.

## 607 data

- Type: deep groove ball bearing, 60 series (extra-light)
- Bore d: 7 mm (0.2756 in)
- Outside diameter D: 19 mm (0.7480 in)
- Width B: 6 mm (0.2362 in)
- Bore code: Under 10 mm bore the last digit is the bore itself: 7 = 7 mm
- Sealed: 607-2RS; shielded: 607-ZZ; open: 607

## Designations by maker

| Maker | Sealed | Shielded |
|---|---|---|
| SKF | 607-2RSH | 607-2Z |
| FAG (Schaeffler) | 607-2RSR | 607-2ZR |
| NSK | 607DDU | 607ZZ |
| NTN | 607LLU | 607ZZ |
| Koyo (JTEKT) | 607-2RS | 607ZZ |
| Timken | 607-2RS | see catalogue |

## Same 7 mm bore, other series

| Bearing | Series | OD mm | Width mm |
|---|---|---|---|
| 607 | extra-light | 19 | 6 |
| 627 | light | 22 | 7 |


Load ratings and speed limits vary by maker: take them from the manufacturer's catalogue.

## FAQ

**What size is a 607 bearing?**
7 mm bore, 19 mm outside diameter and 6 mm wide, which is 0.276 × 0.748 × 0.236 in.

**What does 2RS mean on a 607 bearing?**
607-2RS has rubber contact seals on both sides. 607-ZZ (also written 607-2Z) has metal shields on both sides. Both have the same 7 × 19 × 6 mm dimensions.

**Is 607-2RS the same as 607-ZZ?**
They are the same size and interchangeable in a housing. The sealed 607-2RS keeps out fine dirt and water better; the shielded 607-ZZ runs with less friction.

**What is the SKF equivalent of 607-2RS?**
SKF writes it 607-2RSH; FAG 607-2RSR, NSK 607DDU, NTN 607LLU and Koyo 607-2RS. Check the maker's catalogue for the exact seal type.

**What does the number 607 mean?**
6 is the deep groove ball bearing type, 0 is the extra-light dimension series, and under 10 mm bore the last digit is the bore itself: 7 = 7 mm.

**Which bearings have the same bore as 607?**
627 also have a 7 mm bore, with different outside diameters and widths.

Source page: https://machinistcharts.com/bearing/607/
Updated: 2026-10-06
Publisher: MachinistCharts (https://machinistcharts.com)