Inch Tapered Roller Bearings
3781/3720 Inch Tapered Roller Bearing
49.212 × 93.264 × 30.162 mm
3781/3720 is a inch tapered roller bearing from the INCH-10 series with a 49.212 mm bore, a 93.264 mm outside diameter and a 30.162 mm overall width. It has a dynamic load rating of 91,800 N and a static load rating of 120,600 N and a speed rating of 4,770 rpm (oil lubrication), weighing about 0.877 kg. The radial cross-section (D − d) is 44.05 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
3781/3720 Specifications
| Cone / Cup No. | 3781/3720 |
|---|---|
| d (Bore) | 49.212 mm |
| D (Outer Dia.) | 93.264 mm |
| T (Overall Width) | 30.162 mm |
| B (Cone Width) | 30.302 mm |
| C (Cup Width) | 23.812 mm |
| Dynamic Load | 91,800 N |
| Static Load | 120,600 N |
| Max. RPM | 4,770 |
| Weight | 0.877 kg |
| Series | Inch Series Tapered Roller Bearings — Range 10 (47.625mm–50.8mm bore) |
Other Bearings with 49.212 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| 5395/5335 | INCH-10 | 103.188 | 156,600 |
| 807044/807010 | INCH-10 | 104.775 | 124,200 |
| 65390/65320 | INCH-10 | 114.3 | 167,400 |
| 506348/506310 | INCH-10 | 114.3 | 182,700 |
3781/3720 — Frequently Asked Questions
What are the dimensions of the 3781/3720 bearing?
The 3781/3720 has a bore (d) of 49.212 mm, an outside diameter (D) of 93.264 mm and a overall width of 30.162 mm, so it is written 49.212 × 93.264 × 30.162 mm.
What is the load rating of the 3781/3720?
Dynamic load rating 91,800 N and static load rating 120,600 N. The speed rating is 4,770 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Which other bearings have the same 49.212 mm bore as the 3781/3720?
Other inch tapered roller bearings with a 49.212 mm bore include 5395/5335 (103.188 mm OD), 807044/807010 (104.775 mm OD), 65390/65320 (114.3 mm OD), 506348/506310 (114.3 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 3781/3720 bearing across India?
Yes. Logass Trade Centre supplies the 3781/3720 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 3781/3720?
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