Angular Contact Ball Bearings
7308 Angular Contact Ball Bearing
40 × 90 × 23 mm
7308 is a angular contact ball bearing from the 73 series with a 40 mm bore, a 90 mm outside diameter and a 23 mm width. It has a dynamic load rating of 44,100 N and a static load rating of 29,700 N and a speed rating of 10,800 rpm (oil lubrication), weighing about 0.625 kg. The radial cross-section (D − d) is 50 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
7308 Specifications
| Bearing No. | 7308 |
|---|---|
| d (Bore) | 40 mm |
| D (Outer Dia.) | 90 mm |
| B (Width) | 23 mm |
| Dynamic Load | 44,100 N |
| Static Load | 29,700 N |
| Max. RPM | 10,800 |
| Weight | 0.625 kg |
| Series | 73 Series Single Row Angular Contact Ball Bearings |
7308 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 73 series page.
7308-2RS
rubber seals on both sides
7308-ZZ
metal shields on both sides
7308 M
machined brass cage
Neighbouring Sizes in the 73 Series
7308 — Frequently Asked Questions
What are the dimensions of the 7308 bearing?
The 7308 has a bore (d) of 40 mm, an outside diameter (D) of 90 mm and a width of 23 mm, so it is written 40 × 90 × 23 mm.
What is the load rating of the 7308?
Dynamic load rating 44,100 N and static load rating 29,700 N. The speed rating is 10,800 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 7308 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 7308-2RS (rubber seals on both sides), 7308-ZZ (metal shields on both sides), 7308 M (machined brass cage). Tell us the exact designation you need in a quote request.
Which other bearings have the same 40 mm bore as the 7308?
Other angular contact ball bearings with a 40 mm bore include 7908 (62 mm OD), 7008 (68 mm OD), 3208 (80 mm OD), 5208 (80 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 7308 bearing across India?
Yes. Logass Trade Centre supplies the 7308 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 7308?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.