Four Point Contact Ball Bearings
QJ304 Four Point Contact Ball Bearing
20 × 52 × 15 mm
QJ304 is a four point contact ball bearing from the QJ300 series with a 20 mm bore, a 52 mm outside diameter and a 15 mm width. It has a dynamic load rating of 26,640 N and a static load rating of 18,000 N and a speed rating of 13,500 rpm (oil lubrication), weighing about 0.18 kg. The radial cross-section (D − d) is 32 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
QJ304 Specifications
| Bearing No. | QJ304 |
|---|---|
| d (Bore) | 20 mm |
| D (Outer Dia.) | 52 mm |
| B (Width) | 15 mm |
| Dynamic Load | 26,640 N |
| Static Load | 18,000 N |
| Max. RPM | 13,500 |
| Weight | 0.18 kg |
| Series | QJ300 Series Four Point Contact Ball Bearings |
Neighbouring Sizes in the QJ300 Series
QJ304 — Frequently Asked Questions
What are the dimensions of the QJ304 bearing?
The QJ304 has a bore (d) of 20 mm, an outside diameter (D) of 52 mm and a width of 15 mm, so it is written 20 × 52 × 15 mm.
What is the load rating of the QJ304?
Dynamic load rating 26,640 N and static load rating 18,000 N. The speed rating is 13,500 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Do you supply the QJ304 bearing across India?
Yes. Logass Trade Centre supplies the QJ304 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 four point contact 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 QJ304?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.