Angular Contact Ball Bearings
7228 Angular Contact Ball Bearing
140 × 250 × 42 mm
7228 is a angular contact ball bearing from the 72 series with a 140 mm bore, a 250 mm outside diameter and a 42 mm width. It has a dynamic load rating of 182,700 N and a static load rating of 193,500 N and a speed rating of 3,240 rpm (oil lubrication), weighing about 8.78 kg. The radial cross-section (D − d) is 110 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
7228 Specifications
| Bearing No. | 7228 |
|---|---|
| d (Bore) | 140 mm |
| D (Outer Dia.) | 250 mm |
| B (Width) | 42 mm |
| Dynamic Load | 182,700 N |
| Static Load | 193,500 N |
| Max. RPM | 3,240 |
| Weight | 8.78 kg |
| Series | 72 Series Single Row Angular Contact Ball Bearings |
7228 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 72 series page.
7228-2RS
rubber seals on both sides
7228-ZZ
metal shields on both sides
7228 M
machined brass cage
Neighbouring Sizes in the 72 Series
7228 — Frequently Asked Questions
What are the dimensions of the 7228 bearing?
The 7228 has a bore (d) of 140 mm, an outside diameter (D) of 250 mm and a width of 42 mm, so it is written 140 × 250 × 42 mm.
What is the load rating of the 7228?
Dynamic load rating 182,700 N and static load rating 193,500 N. The speed rating is 3,240 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 7228 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 7228-2RS (rubber seals on both sides), 7228-ZZ (metal shields on both sides), 7228 M (machined brass cage). Tell us the exact designation you need in a quote request.
Which other bearings have the same 140 mm bore as the 7228?
Other angular contact ball bearings with a 140 mm bore include 7928 (190 mm OD), 7028 (210 mm OD), 7328 (300 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 7228 bearing across India?
Yes. Logass Trade Centre supplies the 7228 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 7228?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.