Inch Tapered Roller Bearings
6389/6320 Inch Tapered Roller Bearing
66.675 × 135.755 × 53.975 mm
6389/6320 is a inch tapered roller bearing from the INCH-15 series with a 66.675 mm bore, a 135.755 mm outside diameter and a 53.975 mm overall width. It has a dynamic load rating of 250,200 N and a static load rating of 342,000 N and a speed rating of 3,420 rpm (oil lubrication), weighing about 3.63 kg. The radial cross-section (D − d) is 69.08 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
6389/6320 Specifications
| Cone / Cup No. | 6389/6320 |
|---|---|
| d (Bore) | 66.675 mm |
| D (Outer Dia.) | 135.755 mm |
| T (Overall Width) | 53.975 mm |
| B (Cone Width) | 56.007 mm |
| C (Cup Width) | 44.45 mm |
| Dynamic Load | 250,200 N |
| Static Load | 342,000 N |
| Max. RPM | 3,420 |
| Weight | 3.63 kg |
| Series | Inch Series Tapered Roller Bearings — Range 15 (66.675mm–69.952mm bore) |
Other Bearings with 66.675 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| 812148/812111 | INCH-15 | 103.213 | 54,000 |
| 29590/29520 | INCH-15 | 107.95 | 82,350 |
| 395A/394A | INCH-15 | 110 | 80,550 |
| 395S/394A | INCH-15 | 110 | 80,550 |
| 3984/3920 | INCH-15 | 112.712 | 107,100 |
| 3984/3925 | INCH-15 | 112.712 | 107,100 |
| 3994/3920 | INCH-15 | 112.712 | 107,100 |
| 39590/39520 | INCH-15 | 112.712 | 124,200 |
6389/6320 — Frequently Asked Questions
What are the dimensions of the 6389/6320 bearing?
The 6389/6320 has a bore (d) of 66.675 mm, an outside diameter (D) of 135.755 mm and a overall width of 53.975 mm, so it is written 66.675 × 135.755 × 53.975 mm.
What is the load rating of the 6389/6320?
Dynamic load rating 250,200 N and static load rating 342,000 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 66.675 mm bore as the 6389/6320?
Other inch tapered roller bearings with a 66.675 mm bore include 812148/812111 (103.213 mm OD), 29590/29520 (107.95 mm OD), 395A/394A (110 mm OD), 395S/394A (110 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 6389/6320 bearing across India?
Yes. Logass Trade Centre supplies the 6389/6320 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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