Tapered Roller Bearings
30318 M Bearing
90 × 190 × 46.5 mm
Also written 30318/M
30318 M is the 30318 tapered roller bearing (90 mm bore, 190 mm outside diameter) with the option M. The standard-design dimensions below come from our 303 series table.
30318 M Specifications
Standard-design values for 30318. Load and speed ratings can differ for sealed or special versions; we confirm them on quotation.
| 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 |
Reading the Designation 30318 M
| 30318 | Base size: tapered roller bearing, 90 × 190 × 46.5 mm. |
|---|---|
| M | machined brass cage |
Suffix meanings vary slightly between manufacturers (SKF, FAG, NTN, NSK and others each have their own codes), so we always confirm the exact designation before supplying.
Other Bearings with a 90 mm Bore
30318 M — Frequently Asked Questions
What are the dimensions of the 30318 M bearing?
The base size 30318 measures 90 × 190 × 46.5 mm (bore × outside diameter × width). Suffixes such as M change the sealing, clearance, cage or special treatment but not the boundary dimensions of the standard design.
What does 30318 M mean?
30318 is the base size. M: machined brass cage. Suffix meanings can differ slightly between manufacturers, so confirm the exact designation with us before ordering.
Can you supply the 30318 M bearing across India?
Yes. Share the exact designation, quantity and preferred brand through the quote button and our technical team will confirm availability and pricing within one business day.
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 30318 M?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.