Inch Tapered Roller Bearings
619/612 Inch Tapered Roller Bearing
50.8 × 120.65 × 41.275 mm
619/612 is a inch tapered roller bearing from the INCH-11 series with a 50.8 mm bore, a 120.65 mm outside diameter and a 41.275 mm overall width. It has a dynamic load rating of 154,800 N and a static load rating of 191,700 N and a speed rating of 3,960 rpm (oil lubrication), weighing about 2.3 kg. The radial cross-section (D − d) is 69.85 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
619/612 Specifications
| Cone / Cup No. | 619/612 |
|---|---|
| d (Bore) | 50.8 mm |
| D (Outer Dia.) | 120.65 mm |
| T (Overall Width) | 41.275 mm |
| B (Cone Width) | 41.275 mm |
| C (Cup Width) | 31.75 mm |
| Dynamic Load | 154,800 N |
| Static Load | 191,700 N |
| Max. RPM | 3,960 |
| Weight | 2.3 kg |
| Series | Inch Series Tapered Roller Bearings — Range 11 (50.8mm–52.388mm bore) |
Other Bearings with 50.8 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| 104949/104911 | INCH-10 | 82.55 | 62,550 |
| 104949/104912 | INCH-10 | 82.931 | 62,550 |
| 18790/18720 | INCH-10 | 85 | 44,550 |
| 18790/18724 | INCH-10 | 88.9 | 44,550 |
| 368/362A | INCH-10 | 88.9 | 68,850 |
| 368A/362A | INCH-10 | 88.9 | 68,850 |
| 370A/362A | INCH-10 | 88.9 | 68,850 |
| 368A/362 | INCH-11 | 90 | 68,850 |
619/612 — Frequently Asked Questions
What are the dimensions of the 619/612 bearing?
The 619/612 has a bore (d) of 50.8 mm, an outside diameter (D) of 120.65 mm and a overall width of 41.275 mm, so it is written 50.8 × 120.65 × 41.275 mm.
What is the load rating of the 619/612?
Dynamic load rating 154,800 N and static load rating 191,700 N. The speed rating is 3,960 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Which other bearings have the same 50.8 mm bore as the 619/612?
Other inch tapered roller bearings with a 50.8 mm bore include 104949/104911 (82.55 mm OD), 104949/104912 (82.931 mm OD), 18790/18720 (85 mm OD), 18790/18724 (88.9 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 619/612 bearing across India?
Yes. Logass Trade Centre supplies the 619/612 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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