Inch Tapered Roller Bearings
78250/78551 Inch Tapered Roller Bearing
63.5 × 140.03 × 36.512 mm
78250/78551 is a inch tapered roller bearing from the INCH-14 series with a 63.5 mm bore, a 140.03 mm outside diameter and a 36.512 mm overall width. It has a dynamic load rating of 153,900 N and a static load rating of 190,800 N and a speed rating of 3,060 rpm (oil lubrication), weighing about 2.54 kg. The radial cross-section (D − d) is 76.53 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
78250/78551 Specifications
| Cone / Cup No. | 78250/78551 |
|---|---|
| d (Bore) | 63.5 mm |
| D (Outer Dia.) | 140.03 mm |
| T (Overall Width) | 36.512 mm |
| B (Cone Width) | 33.236 mm |
| C (Cup Width) | 23.52 mm |
| Dynamic Load | 153,900 N |
| Static Load | 190,800 N |
| Max. RPM | 3,060 |
| Weight | 2.54 kg |
| Series | Inch Series Tapered Roller Bearings — Range 14 (60.325mm–65.088mm bore) |
Other Bearings with 63.5 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| 610549/610510 | INCH-14 | 94.458 | 54,450 |
| 29585/29520 | INCH-14 | 107.95 | 82,350 |
| 29585/29522 | INCH-14 | 107.95 | 82,350 |
| 29586/29520 | INCH-14 | 107.95 | 82,350 |
| 390A/394A | INCH-14 | 110 | 80,550 |
| 390A/394AS | INCH-14 | 110 | 80,550 |
| 395/394A | INCH-14 | 110 | 80,550 |
| 29585/29521 | INCH-14 | 110 | 82,350 |
78250/78551 — Frequently Asked Questions
What are the dimensions of the 78250/78551 bearing?
The 78250/78551 has a bore (d) of 63.5 mm, an outside diameter (D) of 140.03 mm and a overall width of 36.512 mm, so it is written 63.5 × 140.03 × 36.512 mm.
What is the load rating of the 78250/78551?
Dynamic load rating 153,900 N and static load rating 190,800 N. The speed rating is 3,060 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Which other bearings have the same 63.5 mm bore as the 78250/78551?
Other inch tapered roller bearings with a 63.5 mm bore include 610549/610510 (94.458 mm OD), 29585/29520 (107.95 mm OD), 29585/29522 (107.95 mm OD), 29586/29520 (107.95 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 78250/78551 bearing across India?
Yes. Logass Trade Centre supplies the 78250/78551 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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