Inch Tapered Roller Bearings
3780/3730 Inch Tapered Roller Bearing
50.8 × 93.264 × 30.162 mm
3780/3730 is a inch tapered roller bearing from the INCH-11 series with a 50.8 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 0.854 kg. The radial cross-section (D − d) is 42.46 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
3780/3730 Specifications
| Cone / Cup No. | 3780/3730 |
|---|---|
| d (Bore) | 50.8 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 | 0.854 kg |
| Series | Inch Series Tapered Roller Bearings — Range 11 (50.8mm–52.388mm bore) |
Other Bearings with 50.8 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| 104949/104911 | INCH-10 | 82.55 | 62,550 |
| 104949/104912 | INCH-10 | 82.931 | 62,550 |
| 18790/18720 | INCH-10 | 85 | 44,550 |
| 18790/18724 | INCH-10 | 88.9 | 44,550 |
| 368/362A | INCH-10 | 88.9 | 68,850 |
| 368A/362A | INCH-10 | 88.9 | 68,850 |
| 370A/362A | INCH-10 | 88.9 | 68,850 |
| 368A/362 | INCH-11 | 90 | 68,850 |
3780/3730 — Frequently Asked Questions
What are the dimensions of the 3780/3730 bearing?
The 3780/3730 has a bore (d) of 50.8 mm, an outside diameter (D) of 93.264 mm and a overall width of 30.162 mm, so it is written 50.8 × 93.264 × 30.162 mm.
What is the load rating of the 3780/3730?
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 50.8 mm bore as the 3780/3730?
Other inch tapered roller bearings with a 50.8 mm bore include 104949/104911 (82.55 mm OD), 104949/104912 (82.931 mm OD), 18790/18720 (85 mm OD), 18790/18724 (88.9 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 3780/3730 bearing across India?
Yes. Logass Trade Centre supplies the 3780/3730 Pan India with technical support, from single pieces to bulk orders. Use the quote button to share your quantity and brand preference.
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We supply sizes, brands and special versions of inch tapered roller bearings that are not listed on this page. Type the exact size or designation you need and send it to us for a quote.
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