Four Point Contact Ball Bearings
QJ312 Four Point Contact Ball Bearing
60 × 130 × 31 mm
QJ312 is a four point contact ball bearing from the QJ300 series with a 60 mm bore, a 130 mm outside diameter and a 31 mm width. It has a dynamic load rating of 131,400 N and a static load rating of 112,500 N and a speed rating of 5,040 rpm (oil lubrication), weighing about 2.15 kg. The radial cross-section (D − d) is 70 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
QJ312 Specifications
| Bearing No. | QJ312 |
|---|---|
| d (Bore) | 60 mm |
| D (Outer Dia.) | 130 mm |
| B (Width) | 31 mm |
| Dynamic Load | 131,400 N |
| Static Load | 112,500 N |
| Max. RPM | 5,040 |
| Weight | 2.15 kg |
| Series | QJ300 Series Four Point Contact Ball Bearings |
Other Bearings with 60 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| QJ212 | QJ200 | 110 | 83,070 |
Neighbouring Sizes in the QJ300 Series
QJ312 — Frequently Asked Questions
What are the dimensions of the QJ312 bearing?
The QJ312 has a bore (d) of 60 mm, an outside diameter (D) of 130 mm and a width of 31 mm, so it is written 60 × 130 × 31 mm.
What is the load rating of the QJ312?
Dynamic load rating 131,400 N and static load rating 112,500 N. The speed rating is 5,040 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Which other bearings have the same 60 mm bore as the QJ312?
Other four point contact ball bearings with a 60 mm bore include QJ212 (110 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the QJ312 bearing across India?
Yes. Logass Trade Centre supplies the QJ312 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 QJ312?
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