Inch Tapered Roller Bearings
3778/3720 Inch Tapered Roller Bearing
47.625 × 93.264 × 30.162 mm
3778/3720 is a inch tapered roller bearing from the INCH-9 series with a 47.625 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 0.898 kg. The radial cross-section (D − d) is 45.64 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
3778/3720 Specifications
| Cone / Cup No. | 3778/3720 |
|---|---|
| d (Bore) | 47.625 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 | 0.898 kg |
| Series | Inch Series Tapered Roller Bearings — Range 9 (44.45mm–47.625mm bore) |
Other Bearings with 47.625 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| 369A/362A | INCH-9 | 88.9 | 68,850 |
| 369S/392A | INCH-9 | 88.9 | 68,850 |
| 804048/804010 | INCH-9 | 88.9 | 73,800 |
| 804049/804010 | INCH-9 | 88.9 | 73,800 |
| 3779/3720 | INCH-10 | 93.264 | 91,800 |
| 804846/804810 | INCH-10 | 95.25 | 98,100 |
| 386A/382A | INCH-10 | 96.838 | 70,200 |
| 528/522 | INCH-10 | 101.6 | 121,500 |
Neighbouring Sizes in the INCH-9 Series
3778/3720 — Frequently Asked Questions
What are the dimensions of the 3778/3720 bearing?
The 3778/3720 has a bore (d) of 47.625 mm, an outside diameter (D) of 93.264 mm and a overall width of 30.162 mm, so it is written 47.625 × 93.264 × 30.162 mm.
What is the load rating of the 3778/3720?
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 47.625 mm bore as the 3778/3720?
Other inch tapered roller bearings with a 47.625 mm bore include 369A/362A (88.9 mm OD), 369S/392A (88.9 mm OD), 804048/804010 (88.9 mm OD), 804049/804010 (88.9 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 3778/3720 bearing across India?
Yes. Logass Trade Centre supplies the 3778/3720 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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