Four Point Contact Ball Bearings
QJ318 Four Point Contact Ball Bearing
90 × 190 × 43 mm
QJ318 is a four point contact ball bearing from the QJ300 series with a 90 mm bore, a 190 mm outside diameter and a 43 mm width. It has a dynamic load rating of 238,500 N and a static load rating of 256,500 N and a speed rating of 3,420 rpm (oil lubrication), weighing about 6.45 kg. The radial cross-section (D − d) is 100 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
QJ318 Specifications
| Bearing No. | QJ318 |
|---|---|
| d (Bore) | 90 mm |
| D (Outer Dia.) | 190 mm |
| B (Width) | 43 mm |
| Dynamic Load | 238,500 N |
| Static Load | 256,500 N |
| Max. RPM | 3,420 |
| Weight | 6.45 kg |
| Series | QJ300 Series Four Point Contact Ball Bearings |
Other Bearings with 90 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| QJ218 | QJ200 | 160 | 156,600 |
Neighbouring Sizes in the QJ300 Series
QJ318 — Frequently Asked Questions
What are the dimensions of the QJ318 bearing?
The QJ318 has a bore (d) of 90 mm, an outside diameter (D) of 190 mm and a width of 43 mm, so it is written 90 × 190 × 43 mm.
What is the load rating of the QJ318?
Dynamic load rating 238,500 N and static load rating 256,500 N. The speed rating is 3,420 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Which other bearings have the same 90 mm bore as the QJ318?
Other four point contact ball bearings with a 90 mm bore include QJ218 (160 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the QJ318 bearing across India?
Yes. Logass Trade Centre supplies the QJ318 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 QJ318?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.
