Miniature & Extra Small Ball Bearings
685 Miniature & Extra Small Ball Bearing
5 × 11 × 3 mm
685 is a miniature & extra small ball bearing from the MX-2 series with a 5 mm bore, a 11 mm outside diameter and a 3 mm width. It has a dynamic load rating of 643 N and a static load rating of 255 N and a speed rating of 46,800 rpm (oil lubrication), weighing about 1.2 g. The radial cross-section (D − d) is 6 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
685 Specifications
| Bearing No. | 685 |
|---|---|
| d (Bore) | 5 mm |
| D (Outer Dia.) | 11 mm |
| B (Width) | 3 mm |
| Dynamic Load | 643 N |
| Static Load | 255 N |
| Max. RPM | 46,800 |
| Weight | 1.2 g |
| Series | Open Type Miniature & Extra Small Ball Bearings (3mm–5mm bore) |
685 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the MX-2 series page.
685-ZZ
metal shields on both sides
685-2RS
rubber seals on both sides
Neighbouring Sizes in the MX-2 Series
685 — Frequently Asked Questions
What are the dimensions of the 685 bearing?
The 685 has a bore (d) of 5 mm, an outside diameter (D) of 11 mm and a width of 3 mm, so it is written 5 × 11 × 3 mm.
What is the load rating of the 685?
Dynamic load rating 643 N and static load rating 255 N. The speed rating is 46,800 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 685 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 685-ZZ (metal shields on both sides), 685-2RS (rubber seals on both sides). Tell us the exact designation you need in a quote request.
Which other bearings have the same 5 mm bore as the 685?
Other miniature & extra small ball bearings with a 5 mm bore include F5M08 (8 mm OD), 5M08 (8 mm OD), F5M10 (9 mm OD), 5M09 (9 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 685 bearing across India?
Yes. Logass Trade Centre supplies the 685 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 685?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.