Miniature & Extra Small Ball Bearings
686 Miniature & Extra Small Ball Bearing
6 × 13 × 3.5 mm
686 is a miniature & extra small ball bearing from the MX-3 series with a 6 mm bore, a 13 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 1.9 g. The radial cross-section (D − d) is 7 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
686 Specifications
| Bearing No. | 686 |
|---|---|
| d (Bore) | 6 mm |
| D (Outer Dia.) | 13 mm |
| B (Width) | 3.5 mm |
| Dynamic Load | 972 N |
| Static Load | 396 N |
| Max. RPM | 43,200 |
| Weight | 1.9 g |
| Series | Open Type Miniature & Extra Small Ball Bearings (6mm–9mm bore) |
686 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the MX-3 series page.
686-ZZ
metal shields on both sides
686-2RS
rubber seals on both sides
Neighbouring Sizes in the MX-3 Series
686 — Frequently Asked Questions
What are the dimensions of the 686 bearing?
The 686 has a bore (d) of 6 mm, an outside diameter (D) of 13 mm and a width of 3.5 mm, so it is written 6 × 13 × 3.5 mm.
What is the load rating of the 686?
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 686 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 686-ZZ (metal shields on both sides), 686-2RS (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 686?
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), F686 (12 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 686 bearing across India?
Yes. Logass Trade Centre supplies the 686 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 686?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.