Inch Tapered Roller Bearings
74550/74845 Inch Tapered Roller Bearing
139.7 × 214.975 × 47.625 mm
74550/74845 is a inch tapered roller bearing from the INCH-21 series with a 139.7 mm bore, a 214.975 mm outside diameter and a 47.625 mm overall width. It has a dynamic load rating of 288,000 N and a static load rating of 486,000 N and a speed rating of 1,890 rpm (oil lubrication), weighing about 5.97 kg. The radial cross-section (D − d) is 75.28 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
74550/74845 Specifications
| Cone / Cup No. | 74550/74845 |
|---|---|
| d (Bore) | 139.7 mm |
| D (Outer Dia.) | 214.975 mm |
| T (Overall Width) | 47.625 mm |
| B (Cone Width) | 47.625 mm |
| C (Cup Width) | 34.925 mm |
| Dynamic Load | 288,000 N |
| Static Load | 486,000 N |
| Max. RPM | 1,890 |
| Weight | 5.97 kg |
| Series | Inch Series Tapered Roller Bearings — Range 21 (127mm–158.75mm bore) |
Other Bearings with 139.7 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| 74550/74850 | INCH-21 | 215.9 | 288,000 |
| 898/892 | INCH-21 | 228.6 | 400,500 |
| 898A/892 | INCH-21 | 228.6 | 400,500 |
| 99550/99100 | INCH-21 | 254 | 495,000 |
74550/74845 — Frequently Asked Questions
What are the dimensions of the 74550/74845 bearing?
The 74550/74845 has a bore (d) of 139.7 mm, an outside diameter (D) of 214.975 mm and a overall width of 47.625 mm, so it is written 139.7 × 214.975 × 47.625 mm.
What is the load rating of the 74550/74845?
Dynamic load rating 288,000 N and static load rating 486,000 N. The speed rating is 1,890 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Which other bearings have the same 139.7 mm bore as the 74550/74845?
Other inch tapered roller bearings with a 139.7 mm bore include 74550/74850 (215.9 mm OD), 898/892 (228.6 mm OD), 898A/892 (228.6 mm OD), 99550/99100 (254 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 74550/74845 bearing across India?
Yes. Logass Trade Centre supplies the 74550/74845 Pan India with technical support, from single pieces to bulk orders. Use the quote button to share your quantity and brand preference.
Can’t find your size?
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.
Need pricing on the 74550/74845?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.