Four Point Contact Ball Bearings
QJ303 Four Point Contact Ball Bearing
17 × 47 × 14 mm
QJ303 is a four point contact ball bearing from the QJ300 series with a 17 mm bore, a 47 mm outside diameter and a 14 mm width. It has a dynamic load rating of 21,060 N and a static load rating of 13,500 N and a speed rating of 15,300 rpm (oil lubrication), weighing about 0.14 kg. The radial cross-section (D − d) is 30 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
QJ303 Specifications
| Bearing No. | QJ303 |
|---|---|
| d (Bore) | 17 mm |
| D (Outer Dia.) | 47 mm |
| B (Width) | 14 mm |
| Dynamic Load | 21,060 N |
| Static Load | 13,500 N |
| Max. RPM | 15,300 |
| Weight | 0.14 kg |
| Series | QJ300 Series Four Point Contact Ball Bearings |
Other Bearings with 17 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| QJ203 | QJ200 | 40 | 14,310 |
Neighbouring Sizes in the QJ300 Series
QJ303 — Frequently Asked Questions
What are the dimensions of the QJ303 bearing?
The QJ303 has a bore (d) of 17 mm, an outside diameter (D) of 47 mm and a width of 14 mm, so it is written 17 × 47 × 14 mm.
What is the load rating of the QJ303?
Dynamic load rating 21,060 N and static load rating 13,500 N. The speed rating is 15,300 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Which other bearings have the same 17 mm bore as the QJ303?
Other four point contact ball bearings with a 17 mm bore include QJ203 (40 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the QJ303 bearing across India?
Yes. Logass Trade Centre supplies the QJ303 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 QJ303?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.