Spherical Roller Bearings
21318 Spherical Roller Bearing
90 × 190 × 43 mm
21318 is a spherical roller bearing from the 213 series with a 90 mm bore, a 190 mm outside diameter and a 43 mm width. It has a dynamic load rating of 288,000 N and a static load rating of 360,000 N and a speed rating of 1,800 rpm (oil lubrication), weighing about 6.3 kg. The radial cross-section (D − d) is 100 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
21318 Specifications
| Bearing No. | 21318 |
|---|---|
| d (Bore) | 90 mm |
| D (Outer Dia.) | 190 mm |
| B (Width) | 43 mm |
| Dynamic Load | 288,000 N |
| Static Load | 360,000 N |
| Max. RPM | 1,800 |
| Weight | 6.3 kg |
| Series | 213 Series Double Row Spherical Roller Bearings |
21318 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 213 series page.
21318 C3
radial clearance larger than normal
21318 K
tapered bore (1:12)
21318 K30
tapered bore (1:30)
21318/CA
machined brass cage, one piece
21318/W33
oil groove and holes in the outer ring
Neighbouring Sizes in the 213 Series
21318 — Frequently Asked Questions
What are the dimensions of the 21318 bearing?
The 21318 has a bore (d) of 90 mm, an outside diameter (D) of 190 mm and a width of 43 mm, so it is written 90 × 190 × 43 mm.
What is the load rating of the 21318?
Dynamic load rating 288,000 N and static load rating 360,000 N. The speed rating is 1,800 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 21318 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 21318 C3 (radial clearance larger than normal), 21318 K (tapered bore (1:12)), 21318 K30 (tapered bore (1:30)), 21318/CA (machined brass cage, one piece). Tell us the exact designation you need in a quote request.
Which other bearings have the same 90 mm bore as the 21318?
Other spherical roller bearings with a 90 mm bore include 22218 (160 mm OD), 23218 (160 mm OD), 22318 (190 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 21318 bearing across India?
Yes. Logass Trade Centre supplies the 21318 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 21318?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.