Miniature & Extra Small Ball Bearings
F4M08 Miniature & Extra Small Ball Bearing
4 × 8.2 × 2 mm
F4M08 is a miniature & extra small ball bearing from the MXF-1 series with a 4 mm bore, a 8.2 mm outside diameter and a 2 mm width. It has a dynamic load rating of 355 N and a static load rating of 126 N and a speed rating of 60,300 rpm (oil lubrication), weighing about 0.47 g. The radial cross-section (D − d) is 4.2 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
F4M08 Specifications
| Bearing No. | F4M08 |
|---|---|
| d (Bore) | 4 mm |
| D (Outer Dia.) | 8.2 mm |
| D (Outer Dia.) | 8.2 mm |
| B (Width) | 2 mm |
| C (Flange Width) | 0.6 mm |
| Dynamic Load | 355 N |
| Static Load | 126 N |
| Max. RPM | 60,300 |
| Weight | 0.47 g |
| Series | Flange Type Miniature & Extra Small Ball Bearings (1.5mm–4mm bore) |
F4M08 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the MXF-1 series page.
Neighbouring Sizes in the MXF-1 Series
F4M08 — Frequently Asked Questions
What are the dimensions of the F4M08 bearing?
The F4M08 has a bore (d) of 4 mm, an outside diameter (D) of 8.2 mm and a width of 2 mm, so it is written 4 × 8.2 × 2 mm.
What is the load rating of the F4M08?
Dynamic load rating 355 N and static load rating 126 N. The speed rating is 60,300 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the F4M08 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include F4M08-ZZ (metal shields on both sides), F4M08-2RS (rubber seals on both sides). Tell us the exact designation you need in a quote request.
Which other bearings have the same 4 mm bore as the F4M08?
Other miniature & extra small ball bearings with a 4 mm bore include F4M07 (7 mm OD), 633 (7 mm OD), F684 (8 mm OD), 4M07 (8 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the F4M08 bearing across India?
Yes. Logass Trade Centre supplies the F4M08 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 F4M08?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.