Tapered Roller Bearings
30318 Tapered Roller Bearing
90 × 190 × 46.5 mm
30318 is a tapered roller bearing from the 303 series with a 90 mm bore, a 190 mm outside diameter and a 46.5 mm overall width. It has a dynamic load rating of 301,500 N and a static load rating of 364,500 N and a speed rating of 2,430 rpm (oil lubrication), weighing about 6.03 kg. The radial cross-section (D − d) is 100 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
30318 Specifications
| Bearing No. | 30318 |
|---|---|
| d (Bore) | 90 mm |
| D (Outer Dia.) | 190 mm |
| T (Overall Width) | 46.5 mm |
| B (Cone Width) | 43 mm |
| C (Cup Width) | 36 mm |
| Dynamic Load | 301,500 N |
| Static Load | 364,500 N |
| Max. RPM | 2,430 |
| Weight | 6.03 kg |
| Series | 303 Series Single Row Tapered Roller Bearings |
30318 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 303 series page.
Neighbouring Sizes in the 303 Series
30318 — Frequently Asked Questions
What are the dimensions of the 30318 bearing?
The 30318 has a bore (d) of 90 mm, an outside diameter (D) of 190 mm and a overall width of 46.5 mm, so it is written 90 × 190 × 46.5 mm.
What is the load rating of the 30318?
Dynamic load rating 301,500 N and static load rating 364,500 N. The speed rating is 2,430 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 30318 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 30318 P6 (higher running accuracy (ISO class 6)), 30318 M (machined brass cage). Tell us the exact designation you need in a quote request.
Which other bearings have the same 90 mm bore as the 30318?
Other tapered roller bearings with a 90 mm bore include 32018 (140 mm OD), 33018 (140 mm OD), 33118 (150 mm OD), 30218 (160 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 30318 bearing across India?
Yes. Logass Trade Centre supplies the 30318 Pan India with technical support, from single pieces to bulk orders. Use the quote button to share your quantity and brand preference.
Can’t find your size?
We supply sizes, brands and special versions of 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.
Need pricing on the 30318?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.