Tapered Roller Bearings
30321D M Bearing
105 × 225 × 53.5 mm
Also written 30321D/M
30321D M is the 30321D tapered roller bearing (105 mm bore, 225 mm outside diameter) with the option M. The standard-design dimensions below come from our 303D series table.
30321D M Specifications
Standard-design values for 30321D. Load and speed ratings can differ for sealed or special versions; we confirm them on quotation.
| Bearing No. | 30321D |
|---|---|
| d (Bore) | 105 mm |
| D (Outer Dia.) | 225 mm |
| T (Overall Width) | 53.5 mm |
| B (Cone Width) | 49 mm |
| C (Cup Width) | 36 mm |
| Dynamic Load | 297,000 N |
| Static Load | 355,500 N |
| Max. RPM | 1,800 |
| Weight | 9.2 kg |
| Series | 303D Series Single Row Tapered Roller Bearings |
Reading the Designation 30321D M
| 30321D | 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
30321D M — Frequently Asked Questions
What are the dimensions of the 30321D M bearing?
The base size 30321D 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 30321D M mean?
30321D 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 30321D 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 30321D M?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.