Inch Tapered Roller Bearings
6277/6220 Inch Tapered Roller Bearing
44.45 × 127 × 50.8 mm
6277/6220 is a inch tapered roller bearing from the INCH-9 series with a 44.45 mm bore, a 127 mm outside diameter and a 50.8 mm overall width. It has a dynamic load rating of 225,000 N and a static load rating of 288,000 N and a speed rating of 3,870 rpm (oil lubrication), weighing about 3.58 kg. The radial cross-section (D − d) is 82.55 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
6277/6220 Specifications
| Cone / Cup No. | 6277/6220 |
|---|---|
| d (Bore) | 44.45 mm |
| D (Outer Dia.) | 127 mm |
| T (Overall Width) | 50.8 mm |
| B (Cone Width) | 52.388 mm |
| C (Cup Width) | 41.275 mm |
| Dynamic Load | 225,000 N |
| Static Load | 288,000 N |
| Max. RPM | 3,870 |
| Weight | 3.58 kg |
| Series | Inch Series Tapered Roller Bearings — Range 9 (44.45mm–47.625mm 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 |
| 3578/3520 | INCH-8 | 84.138 | 84,600 |
| 355/354A | INCH-8 | 85 | 62,550 |
| 355A/354A | INCH-8 | 85 | 62,550 |
6277/6220 — Frequently Asked Questions
What are the dimensions of the 6277/6220 bearing?
The 6277/6220 has a bore (d) of 44.45 mm, an outside diameter (D) of 127 mm and a overall width of 50.8 mm, so it is written 44.45 × 127 × 50.8 mm.
What is the load rating of the 6277/6220?
Dynamic load rating 225,000 N and static load rating 288,000 N. The speed rating is 3,870 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 6277/6220?
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 6277/6220 bearing across India?
Yes. Logass Trade Centre supplies the 6277/6220 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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