Inch Tapered Roller Bearings
3188/3120 Inch Tapered Roller Bearing
31.75 × 72.626 × 30.162 mm
3188/3120 is a inch tapered roller bearing from the INCH-4 series with a 31.75 mm bore, a 72.626 mm outside diameter and a 30.162 mm overall width. It has a dynamic load rating of 76,050 N and a static load rating of 88,200 N and a speed rating of 6,570 rpm (oil lubrication), weighing about 0.603 kg. The radial cross-section (D − d) is 40.88 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
3188/3120 Specifications
| Cone / Cup No. | 3188/3120 |
|---|---|
| d (Bore) | 31.75 mm |
| D (Outer Dia.) | 72.626 mm |
| T (Overall Width) | 30.162 mm |
| B (Cone Width) | 29.997 mm |
| C (Cup Width) | 23.812 mm |
| Dynamic Load | 76,050 N |
| Static Load | 88,200 N |
| Max. RPM | 6,570 |
| Weight | 0.603 kg |
| Series | Inch Series Tapered Roller Bearings — Range 4 (31.75mm–34.925mm bore) |
Other Bearings with 31.75 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| 67048/67010 | INCH-3 | 59.131 | 31,050 |
| 15123/15245 | INCH-3 | 62 | 41,850 |
| 15125/15245 | INCH-3 | 62 | 41,850 |
| 15126/15245 | INCH-3 | 62 | 41,850 |
| 2580/2520 | INCH-4 | 66.421 | 62,100 |
| 02475/02420 | INCH-4 | 68.262 | 51,300 |
| 02476/02420 | INCH-4 | 68.262 | 51,300 |
| 14124/14276 | INCH-4 | 69.012 | 43,650 |
3188/3120 — Frequently Asked Questions
What are the dimensions of the 3188/3120 bearing?
The 3188/3120 has a bore (d) of 31.75 mm, an outside diameter (D) of 72.626 mm and a overall width of 30.162 mm, so it is written 31.75 × 72.626 × 30.162 mm.
What is the load rating of the 3188/3120?
Dynamic load rating 76,050 N and static load rating 88,200 N. The speed rating is 6,570 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Which other bearings have the same 31.75 mm bore as the 3188/3120?
Other inch tapered roller bearings with a 31.75 mm bore include 67048/67010 (59.131 mm OD), 15123/15245 (62 mm OD), 15125/15245 (62 mm OD), 15126/15245 (62 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 3188/3120 bearing across India?
Yes. Logass Trade Centre supplies the 3188/3120 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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