Inch Tapered Roller Bearings
3478/3420 Inch Tapered Roller Bearing
34.925 × 79.375 × 29.37 mm
3478/3420 is a inch tapered roller bearing from the INCH-5 series with a 34.925 mm bore, a 79.375 mm outside diameter and a 29.37 mm overall width. It has a dynamic load rating of 83,700 N and a static load rating of 102,600 N and a speed rating of 5,940 rpm (oil lubrication), weighing about 0.725 kg. The radial cross-section (D − d) is 44.45 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
3478/3420 Specifications
| Cone / Cup No. | 3478/3420 |
|---|---|
| d (Bore) | 34.925 mm |
| D (Outer Dia.) | 79.375 mm |
| T (Overall Width) | 29.37 mm |
| B (Cone Width) | 29.771 mm |
| C (Cup Width) | 23.812 mm |
| Dynamic Load | 83,700 N |
| Static Load | 102,600 N |
| Max. RPM | 5,940 |
| Weight | 0.725 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 |
3478/3420 — Frequently Asked Questions
What are the dimensions of the 3478/3420 bearing?
The 3478/3420 has a bore (d) of 34.925 mm, an outside diameter (D) of 79.375 mm and a overall width of 29.37 mm, so it is written 34.925 × 79.375 × 29.37 mm.
What is the load rating of the 3478/3420?
Dynamic load rating 83,700 N and static load rating 102,600 N. The speed rating is 5,940 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 3478/3420?
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 3478/3420 bearing across India?
Yes. Logass Trade Centre supplies the 3478/3420 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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