Inch Tapered Roller Bearings
3872/3820 Inch Tapered Roller Bearing
34.925 × 85.725 × 30.162 mm
3872/3820 is a inch tapered roller bearing from the INCH-5 series with a 34.925 mm bore, a 85.725 mm outside diameter and a 30.162 mm overall width. It has a dynamic load rating of 94,500 N and a static load rating of 118,800 N and a speed rating of 5,400 rpm (oil lubrication), weighing about 0.897 kg. The radial cross-section (D − d) is 50.8 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
3872/3820 Specifications
| Cone / Cup No. | 3872/3820 |
|---|---|
| d (Bore) | 34.925 mm |
| D (Outer Dia.) | 85.725 mm |
| T (Overall Width) | 30.162 mm |
| B (Cone Width) | 30.162 mm |
| C (Cup Width) | 23.812 mm |
| Dynamic Load | 94,500 N |
| Static Load | 118,800 N |
| Max. RPM | 5,400 |
| Weight | 0.897 kg |
| Series | Inch Series Tapered Roller Bearings — Range 5 (34.925mm–36.512mm bore) |
Other Bearings with 34.925 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| 48548/48510 | INCH-4 | 65.088 | 41,850 |
| 48548A/48510 | INCH-4 | 65.088 | 41,850 |
| 14137A/14276 | INCH-4 | 69.012 | 43,650 |
| 14138A/14276 | INCH-4 | 69.012 | 43,650 |
| 88649/88610 | INCH-4 | 72.233 | 58,500 |
| 16137/16284 | INCH-4 | 72.238 | 43,200 |
| 02877/02820 | INCH-4 | 73.025 | 50,850 |
| 02878/02820 | INCH-4 | 73.025 | 50,850 |
3872/3820 — Frequently Asked Questions
What are the dimensions of the 3872/3820 bearing?
The 3872/3820 has a bore (d) of 34.925 mm, an outside diameter (D) of 85.725 mm and a overall width of 30.162 mm, so it is written 34.925 × 85.725 × 30.162 mm.
What is the load rating of the 3872/3820?
Dynamic load rating 94,500 N and static load rating 118,800 N. The speed rating is 5,400 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Which other bearings have the same 34.925 mm bore as the 3872/3820?
Other inch tapered roller bearings with a 34.925 mm bore include 48548/48510 (65.088 mm OD), 48548A/48510 (65.088 mm OD), 14137A/14276 (69.012 mm OD), 14138A/14276 (69.012 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 3872/3820 bearing across India?
Yes. Logass Trade Centre supplies the 3872/3820 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 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.
Need pricing on the 3872/3820?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.
