Inch Tapered Roller Bearings
661/653 Inch Tapered Roller Bearing
79.375 × 146.05 × 41.275 mm
661/653 is a inch tapered roller bearing from the INCH-17 series with a 79.375 mm bore, a 146.05 mm outside diameter and a 41.275 mm overall width. It has a dynamic load rating of 185,400 N and a static load rating of 265,500 N and a speed rating of 2,970 rpm (oil lubrication), weighing about 2.91 kg. The radial cross-section (D − d) is 66.68 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
661/653 Specifications
| Cone / Cup No. | 661/653 |
|---|---|
| d (Bore) | 79.375 mm |
| D (Outer Dia.) | 146.05 mm |
| T (Overall Width) | 41.275 mm |
| B (Cone Width) | 41.275 mm |
| C (Cup Width) | 31.75 mm |
| Dynamic Load | 185,400 N |
| Static Load | 265,500 N |
| Max. RPM | 2,970 |
| Weight | 2.91 kg |
| Series | Inch Series Tapered Roller Bearings — Range 17 (76.2mm–82.55mm bore) |
Other Bearings with 79.375 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| 756A/752 | INCH-17 | 161.925 | 243,000 |
| 221431/221410 | INCH-17 | 190.5 | 400,500 |
661/653 — Frequently Asked Questions
What are the dimensions of the 661/653 bearing?
The 661/653 has a bore (d) of 79.375 mm, an outside diameter (D) of 146.05 mm and a overall width of 41.275 mm, so it is written 79.375 × 146.05 × 41.275 mm.
What is the load rating of the 661/653?
Dynamic load rating 185,400 N and static load rating 265,500 N. The speed rating is 2,970 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Which other bearings have the same 79.375 mm bore as the 661/653?
Other inch tapered roller bearings with a 79.375 mm bore include 756A/752 (161.925 mm OD), 221431/221410 (190.5 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 661/653 bearing across India?
Yes. Logass Trade Centre supplies the 661/653 Pan India with technical support, from single pieces to bulk orders. Use the quote button to share your quantity and brand preference.
Need pricing on the 661/653?
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