Tapered Roller Bearings
30321 M Bearing
105 × 225 × 53.5 mm
Also written 30321/M
30321 M is the 30321 tapered roller bearing (105 mm bore, 225 mm outside diameter) with the option M. The standard-design dimensions below come from our 303 series table.
30321 M Specifications
Standard-design values for 30321. Load and speed ratings can differ for sealed or special versions; we confirm them on quotation.
| Bearing No. | 30321 |
|---|---|
| d (Bore) | 105 mm |
| D (Outer Dia.) | 225 mm |
| T (Overall Width) | 53.5 mm |
| B (Cone Width) | 49 mm |
| C (Cup Width) | 41 mm |
| Dynamic Load | 391,500 N |
| Static Load | 477,000 N |
| Max. RPM | 2,070 |
| Weight | 9.79 kg |
| Series | 303 Series Single Row Tapered Roller Bearings |
Reading the Designation 30321 M
| 30321 | Base size: tapered roller bearing, 105 × 225 × 53.5 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 105 mm Bore
30321 M — Frequently Asked Questions
What are the dimensions of the 30321 M bearing?
The base size 30321 measures 105 × 225 × 53.5 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 30321 M mean?
30321 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 30321 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 30321 M?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.