Self-Aligning Ball Bearings
1221 K Bearing
105 × 190 × 36 mm
Also written 1221/K
1221 K is the 1221 self-aligning ball bearing (105 mm bore, 190 mm outside diameter) with the option K. The standard-design dimensions below come from our 12 series table.
1221 K Specifications
Standard-design values for 1221. Load and speed ratings can differ for sealed or special versions; we confirm them on quotation.
| Bearing No. | 1221 |
|---|---|
| d (Bore) | 105 mm |
| D (Outer Dia.) | 190 mm |
| B (Width) | 36 mm |
| Dynamic Load | 67,050 N |
| Static Load | 29,250 N |
| Max. RPM | 2,970 |
| Weight | 4.34 kg |
| Series | 12 Series Double Row Self-Aligning Ball Bearings |
Reading the Designation 1221 K
| 1221 | Base size: self-aligning ball bearing, 105 × 190 × 36 mm. |
|---|---|
| K | tapered bore, taper 1:12 |
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
1221 K — Frequently Asked Questions
What are the dimensions of the 1221 K bearing?
The base size 1221 measures 105 × 190 × 36 mm (bore × outside diameter × width). Suffixes such as K change the sealing, clearance, cage or special treatment but not the boundary dimensions of the standard design.
What does 1221 K mean?
1221 is the base size. K: tapered bore, taper 1:12. Suffix meanings can differ slightly between manufacturers, so confirm the exact designation with us before ordering.
Can you supply the 1221 K 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 self-aligning ball 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 1221 K?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.