Inch Tapered Roller Bearings
644/632 Inch Tapered Roller Bearing
71.438 × 136.525 × 41.275 mm
644/632 is a inch tapered roller bearing from the INCH-16 series with a 71.438 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 2.57 kg. The radial cross-section (D − d) is 65.09 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
644/632 Specifications
| Cone / Cup No. | 644/632 |
|---|---|
| d (Bore) | 71.438 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 | 2.57 kg |
| Series | Inch Series Tapered Roller Bearings — Range 16 (70mm–76.2mm bore) |
Other Bearings with 71.438 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| 33281/33462 | INCH-16 | 117.475 | 105,300 |
| 47490/47420 | INCH-16 | 120 | 132,300 |
| 567A/563 | INCH-16 | 127 | 146,700 |
| 414249/414210 | INCH-16 | 136.525 | 203,400 |
| 715345/715311 | INCH-16 | 136.525 | 201,600 |
644/632 — Frequently Asked Questions
What are the dimensions of the 644/632 bearing?
The 644/632 has a bore (d) of 71.438 mm, an outside diameter (D) of 136.525 mm and a overall width of 41.275 mm, so it is written 71.438 × 136.525 × 41.275 mm.
What is the load rating of the 644/632?
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 71.438 mm bore as the 644/632?
Other inch tapered roller bearings with a 71.438 mm bore include 33281/33462 (117.475 mm OD), 47490/47420 (120 mm OD), 567A/563 (127 mm OD), 414249/414210 (136.525 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 644/632 bearing across India?
Yes. Logass Trade Centre supplies the 644/632 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 644/632?
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