Spherical Roller Bearings
22311 Spherical Roller Bearing
55 × 120 × 43 mm
22311 is a spherical roller bearing from the 223 series with a 55 mm bore, a 120 mm outside diameter and a 43 mm width. It has a dynamic load rating of 183,600 N and a static load rating of 210,600 N and a speed rating of 3,600 rpm (oil lubrication), weighing about 2.3 kg. The radial cross-section (D − d) is 65 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
22311 Specifications
| Bearing No. | 22311 |
|---|---|
| d (Bore) | 55 mm |
| D (Outer Dia.) | 120 mm |
| B (Width) | 43 mm |
| Dynamic Load | 183,600 N |
| Static Load | 210,600 N |
| Max. RPM | 3,600 |
| Weight | 2.3 kg |
| Series | 223 Series Double Row Spherical Roller Bearings |
22311 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 223 series page.
22311 C3
radial clearance larger than normal
22311 K
tapered bore (1:12)
22311 K30
tapered bore (1:30)
22311/CA
machined brass cage, one piece
22311/W33
oil groove and holes in the outer ring
Neighbouring Sizes in the 223 Series
22311 — Frequently Asked Questions
What are the dimensions of the 22311 bearing?
The 22311 has a bore (d) of 55 mm, an outside diameter (D) of 120 mm and a width of 43 mm, so it is written 55 × 120 × 43 mm.
What is the load rating of the 22311?
Dynamic load rating 183,600 N and static load rating 210,600 N. The speed rating is 3,600 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 22311 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 22311 C3 (radial clearance larger than normal), 22311 K (tapered bore (1:12)), 22311 K30 (tapered bore (1:30)), 22311/CA (machined brass cage, one piece). Tell us the exact designation you need in a quote request.
Which other bearings have the same 55 mm bore as the 22311?
Other spherical roller bearings with a 55 mm bore include 22211 (100 mm OD), 21311 (120 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 22311 bearing across India?
Yes. Logass Trade Centre supplies the 22311 Pan India with technical support, from single pieces to bulk orders. Use the quote button to share your quantity and brand preference.
Need pricing on the 22311?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.