Miniature & Extra Small Ball Bearings
3M09 Miniature & Extra Small Ball Bearing
3 × 9 × 3 mm
3M09 is a miniature & extra small ball bearing from the MX-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 0.8 g. The radial cross-section (D − d) is 6 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
3M09 Specifications
| Bearing No. | 3M09 |
|---|---|
| d (Bore) | 3 mm |
| D (Outer Dia.) | 9 mm |
| B (Width) | 3 mm |
| Dynamic Load | 576 N |
| Static Load | 203 N |
| Max. RPM | 58,500 |
| Weight | 0.8 g |
| Series | Open Type Miniature & Extra Small Ball Bearings (1.5mm–3mm bore) |
3M09 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the MX-1 series page.
3M09-ZZ
metal shields on both sides
3M09-2RS
rubber seals on both sides
Neighbouring Sizes in the MX-1 Series
3M09 — Frequently Asked Questions
What are the dimensions of the 3M09 bearing?
The 3M09 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 3M09?
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 3M09 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 3M09-ZZ (metal shields on both sides), 3M09-2RS (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 3M09?
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 3M09 bearing across India?
Yes. Logass Trade Centre supplies the 3M09 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 3M09?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.