Miniature & Extra Small Ball Bearings
F603 Miniature & Extra Small Ball Bearing
3 × 9 × 3 mm
F603 is a miniature & extra small ball bearing from the MXF-1 series with a 3 mm bore, a 9 mm outside diameter and a 3 mm width. It has a dynamic load rating of 576 N and a static load rating of 203 N and a speed rating of 58,500 rpm (oil lubrication), weighing about 0.93 g. The radial cross-section (D − d) is 6 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
F603 Specifications
| Bearing No. | F603 |
|---|---|
| d (Bore) | 3 mm |
| D (Outer Dia.) | 9 mm |
| D (Outer Dia.) | 9 mm |
| B (Width) | 3 mm |
| C (Flange Width) | 0.7 mm |
| Dynamic Load | 576 N |
| Static Load | 203 N |
| Max. RPM | 58,500 |
| Weight | 0.93 g |
| Series | Flange Type Miniature & Extra Small Ball Bearings (1.5mm–4mm bore) |
F603 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the MXF-1 series page.
F603-ZZ
metal shields on both sides
F603-2RS
rubber seals on both sides
Neighbouring Sizes in the MXF-1 Series
F603 — Frequently Asked Questions
What are the dimensions of the F603 bearing?
The F603 has a bore (d) of 3 mm, an outside diameter (D) of 9 mm and a width of 3 mm, so it is written 3 × 9 × 3 mm.
What is the load rating of the F603?
Dynamic load rating 576 N and static load rating 203 N. The speed rating is 58,500 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the F603 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include F603-ZZ (metal shields on both sides), F603-2RS (rubber seals on both sides). Tell us the exact designation you need in a quote request.
Which other bearings have the same 3 mm bore as the F603?
Other miniature & extra small ball bearings with a 3 mm bore include F683 (6 mm OD), 3M06 (6 mm OD), F3M08 (7 mm OD), 683 (7 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the F603 bearing across India?
Yes. Logass Trade Centre supplies the F603 Pan India with technical support, from single pieces to bulk orders. Use the quote button to share your quantity and brand preference.
Need pricing on the F603?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.