Spherical Roller Bearings
21304 CA Bearing
20 × 52 × 15 mm
Also written 21304/CA
21304 CA is the 21304 spherical roller bearing (20 mm bore, 52 mm outside diameter) with the option CA. The standard-design dimensions below come from our 213 series table.
21304 CA Specifications
Standard-design values for 21304. Load and speed ratings can differ for sealed or special versions; we confirm them on quotation.
| Bearing No. | 21304 |
|---|---|
| d (Bore) | 20 mm |
| D (Outer Dia.) | 52 mm |
| B (Width) | 15 mm |
| Dynamic Load | 30,600 N |
| Static Load | 30,150 N |
| Max. RPM | 8,100 |
| Weight | 0.21 kg |
| Series | 213 Series Double Row Spherical Roller Bearings |
Reading the Designation 21304 CA
| 21304 | Base size: spherical roller bearing, 20 × 52 × 15 mm. |
|---|---|
| CA | machined brass cage with window pockets (outer-ring centred) |
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.
21304 CA — Frequently Asked Questions
What are the dimensions of the 21304 CA bearing?
The base size 21304 measures 20 × 52 × 15 mm (bore × outside diameter × width). Suffixes such as CA change the sealing, clearance, cage or special treatment but not the boundary dimensions of the standard design.
What does 21304 CA mean?
21304 is the base size. CA: machined brass cage with window pockets (outer-ring centred). Suffix meanings can differ slightly between manufacturers, so confirm the exact designation with us before ordering.
Can you supply the 21304 CA 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 spherical 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 21304 CA?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.