Miniature & Extra Small Ball Bearings
F686 Miniature & Extra Small Ball Bearing
6 × 12 × 3.5 mm
F686 is a miniature & extra small ball bearing from the MXF-2 series with a 6 mm bore, a 12 mm outside diameter and a 3.5 mm width. It has a dynamic load rating of 972 N and a static load rating of 396 N and a speed rating of 43,200 rpm (oil lubrication), weighing about 2.2 g. The radial cross-section (D − d) is 6 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
F686 Specifications
| Bearing No. | F686 |
|---|---|
| d (Bore) | 6 mm |
| D (Outer Dia.) | 12 mm |
| D (Outer Dia.) | 12 mm |
| B (Width) | 3.5 mm |
| C (Flange Width) | 1 mm |
| Dynamic Load | 972 N |
| Static Load | 396 N |
| Max. RPM | 43,200 |
| Weight | 2.2 g |
| Series | Flange Type Miniature & Extra Small Ball Bearings (5mm–9mm bore) |
F686 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the MXF-2 series page.
Neighbouring Sizes in the MXF-2 Series
F686 — Frequently Asked Questions
What are the dimensions of the F686 bearing?
The F686 has a bore (d) of 6 mm, an outside diameter (D) of 12 mm and a width of 3.5 mm, so it is written 6 × 12 × 3.5 mm.
What is the load rating of the F686?
Dynamic load rating 972 N and static load rating 396 N. The speed rating is 43,200 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the F686 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include F686-ZZ (metal shields on both sides), F686-2RS (rubber seals on both sides). Tell us the exact designation you need in a quote request.
Which other bearings have the same 6 mm bore as the F686?
Other miniature & extra small ball bearings with a 6 mm bore include F6M10 (10 mm OD), 6M10 (10 mm OD), F6M12 (11.2 mm OD), 6M12 (12 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the F686 bearing across India?
Yes. Logass Trade Centre supplies the F686 Pan India with technical support, from single pieces to bulk orders. Use the quote button to share your quantity and brand preference.
Can’t find your size?
We supply sizes, brands and special versions of miniature & extra small ball bearings that are not listed on this page. Type the exact size or designation you need and send it to us for a quote.
Need pricing on the F686?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.