Inch Tapered Roller Bearings
3578/3520 Inch Tapered Roller Bearing
44.45 × 84.138 × 30.162 mm
3578/3520 is a inch tapered roller bearing from the INCH-8 series with a 44.45 mm bore, a 84.138 mm outside diameter and a 30.162 mm overall width. It has a dynamic load rating of 84,600 N and a static load rating of 105,300 N and a speed rating of 5,310 rpm (oil lubrication), weighing about 0.699 kg. The radial cross-section (D − d) is 39.69 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
3578/3520 Specifications
| Cone / Cup No. | 3578/3520 |
|---|---|
| d (Bore) | 44.45 mm |
| D (Outer Dia.) | 84.138 mm |
| T (Overall Width) | 30.162 mm |
| B (Cone Width) | 30.886 mm |
| C (Cup Width) | 23.812 mm |
| Dynamic Load | 84,600 N |
| Static Load | 105,300 N |
| Max. RPM | 5,310 |
| Weight | 0.699 kg |
| Series | Inch Series Tapered Roller Bearings — Range 8 (41.275mm–44.45mm bore) |
Other Bearings with 44.45 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| 12175/12303 | INCH-8 | 76.992 | 39,600 |
| 18685/18620 | INCH-8 | 79.375 | 40,950 |
| 25580/25520 | INCH-8 | 82.931 | 68,400 |
| 25581/25520 | INCH-8 | 82.931 | 68,400 |
| 25582/25520 | INCH-8 | 82.931 | 68,400 |
| 355/354A | INCH-8 | 85 | 62,550 |
| 355A/354A | INCH-8 | 85 | 62,550 |
| 3578/3525 | INCH-8 | 87.312 | 84,600 |
3578/3520 — Frequently Asked Questions
What are the dimensions of the 3578/3520 bearing?
The 3578/3520 has a bore (d) of 44.45 mm, an outside diameter (D) of 84.138 mm and a overall width of 30.162 mm, so it is written 44.45 × 84.138 × 30.162 mm.
What is the load rating of the 3578/3520?
Dynamic load rating 84,600 N and static load rating 105,300 N. The speed rating is 5,310 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Which other bearings have the same 44.45 mm bore as the 3578/3520?
Other inch tapered roller bearings with a 44.45 mm bore include 12175/12303 (76.992 mm OD), 18685/18620 (79.375 mm OD), 25580/25520 (82.931 mm OD), 25581/25520 (82.931 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 3578/3520 bearing across India?
Yes. Logass Trade Centre supplies the 3578/3520 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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