Four Point Contact Ball Bearings
QJ309 Four Point Contact Ball Bearing
45 × 100 × 25 mm
QJ309 is a four point contact ball bearing from the QJ300 series with a 45 mm bore, a 100 mm outside diameter and a 25 mm width. It has a dynamic load rating of 84,240 N and a static load rating of 68,850 N and a speed rating of 6,750 rpm (oil lubrication), weighing about 1.05 kg. The radial cross-section (D − d) is 55 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
QJ309 Specifications
| Bearing No. | QJ309 |
|---|---|
| d (Bore) | 45 mm |
| D (Outer Dia.) | 100 mm |
| B (Width) | 25 mm |
| Dynamic Load | 84,240 N |
| Static Load | 68,850 N |
| Max. RPM | 6,750 |
| Weight | 1.05 kg |
| Series | QJ300 Series Four Point Contact Ball Bearings |
Other Bearings with 45 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| QJ209 | QJ200 | 85 | 52,650 |
Neighbouring Sizes in the QJ300 Series
QJ309 — Frequently Asked Questions
What are the dimensions of the QJ309 bearing?
The QJ309 has a bore (d) of 45 mm, an outside diameter (D) of 100 mm and a width of 25 mm, so it is written 45 × 100 × 25 mm.
What is the load rating of the QJ309?
Dynamic load rating 84,240 N and static load rating 68,850 N. The speed rating is 6,750 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Which other bearings have the same 45 mm bore as the QJ309?
Other four point contact ball bearings with a 45 mm bore include QJ209 (85 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the QJ309 bearing across India?
Yes. Logass Trade Centre supplies the QJ309 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 QJ309?
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