Spherical Roller Bearings
21306 Spherical Roller Bearing
30 × 72 × 19 mm
21306 is a spherical roller bearing from the 213 series with a 30 mm bore, a 72 mm outside diameter and a 19 mm width. It has a dynamic load rating of 53,550 N and a static load rating of 56,250 N and a speed rating of 5,940 rpm (oil lubrication), weighing about 0.48 kg. The radial cross-section (D − d) is 42 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
21306 Specifications
| Bearing No. | 21306 |
|---|---|
| d (Bore) | 30 mm |
| D (Outer Dia.) | 72 mm |
| B (Width) | 19 mm |
| Dynamic Load | 53,550 N |
| Static Load | 56,250 N |
| Max. RPM | 5,940 |
| Weight | 0.48 kg |
| Series | 213 Series Double Row Spherical Roller Bearings |
21306 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 213 series page.
Other Bearings with 30 mm Bore
| Bearing No. | Series | D (Outer Dia.) mm | Dynamic Load N |
|---|---|---|---|
| 22206 | 222 | 62 | 54,900 |
Neighbouring Sizes in the 213 Series
21306 — Frequently Asked Questions
What are the dimensions of the 21306 bearing?
The 21306 has a bore (d) of 30 mm, an outside diameter (D) of 72 mm and a width of 19 mm, so it is written 30 × 72 × 19 mm.
What is the load rating of the 21306?
Dynamic load rating 53,550 N and static load rating 56,250 N. The speed rating is 5,940 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 21306 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 21306 C3 (radial clearance larger than normal), 21306 K (tapered bore (1:12)), 21306 K30 (tapered bore (1:30)), 21306/CA (machined brass cage, one piece). Tell us the exact designation you need in a quote request.
Which other bearings have the same 30 mm bore as the 21306?
Other spherical roller bearings with a 30 mm bore include 22206 (62 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 21306 bearing across India?
Yes. Logass Trade Centre supplies the 21306 Pan India with technical support, from single pieces to bulk orders. Use the quote button to share your quantity and brand preference.
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 the 21306?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.