Inch Tapered Roller Bearings
643/632 Inch Tapered Roller Bearing
69.85 × 136.525 × 41.275 mm
643/632 is a inch tapered roller bearing from the INCH-15 series with a 69.85 mm bore, a 136.525 mm outside diameter and a 41.275 mm overall width. It has a dynamic load rating of 174,600 N and a static load rating of 235,800 N and a speed rating of 3,420 rpm (oil lubrication), weighing about 2.63 kg. The radial cross-section (D − d) is 66.68 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
643/632 Specifications
| Cone / Cup No. | 643/632 |
|---|---|
| d (Bore) | 69.85 mm |
| D (Outer Dia.) | 136.525 mm |
| T (Overall Width) | 41.275 mm |
| B (Cone Width) | 41.275 mm |
| C (Cup Width) | 31.75 mm |
| Dynamic Load | 174,600 N |
| Static Load | 235,800 N |
| Max. RPM | 3,420 |
| Weight | 2.63 kg |
| Series | Inch Series Tapered Roller Bearings — Range 15 (66.675mm–69.952mm bore) |
Other Bearings with 69.85 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| 29675/29620 | INCH-15 | 112.712 | 85,950 |
| 33275/33462 | INCH-15 | 117.475 | 105,300 |
| 482/472A | INCH-15 | 120 | 115,200 |
| 482/472 | INCH-15 | 120 | 115,200 |
| 47487/47420 | INCH-15 | 120 | 132,300 |
| 29675/29630 | INCH-15 | 120.65 | 85,950 |
| 566/563 | INCH-15 | 127 | 146,700 |
| 655/653 | INCH-15 | 146.05 | 185,400 |
643/632 — Frequently Asked Questions
What are the dimensions of the 643/632 bearing?
The 643/632 has a bore (d) of 69.85 mm, an outside diameter (D) of 136.525 mm and a overall width of 41.275 mm, so it is written 69.85 × 136.525 × 41.275 mm.
What is the load rating of the 643/632?
Dynamic load rating 174,600 N and static load rating 235,800 N. The speed rating is 3,420 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Which other bearings have the same 69.85 mm bore as the 643/632?
Other inch tapered roller bearings with a 69.85 mm bore include 29675/29620 (112.712 mm OD), 33275/33462 (117.475 mm OD), 482/472A (120 mm OD), 482/472 (120 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 643/632 bearing across India?
Yes. Logass Trade Centre supplies the 643/632 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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