Angular Contact Ball Bearings
5309 Angular Contact Ball Bearing
45 × 100 × 39.7 mm
5309 is a angular contact ball bearing from the 53 series with a 45 mm bore, a 100 mm outside diameter and a 39.7 mm width. It has a dynamic load rating of 65,250 N and a static load rating of 48,600 N and a speed rating of 4,770 rpm (oil lubrication), weighing about 1.34 kg. The radial cross-section (D − d) is 55 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
5309 Specifications
| Bearing No. | 5309 |
|---|---|
| d (Bore) | 45 mm |
| D (Outer Dia.) | 100 mm |
| B (Width) | 39.7 mm |
| Dynamic Load | 65,250 N |
| Static Load | 48,600 N |
| Max. RPM | 4,770 |
| Weight | 1.34 kg |
| Series | 53 Series Double Row Angular Contact Ball Bearings |
5309 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 53 series page.
5309-2RS
rubber seals on both sides
5309-ZZ
metal shields on both sides
5309 M
machined brass cage
Neighbouring Sizes in the 53 Series
5309 — Frequently Asked Questions
What are the dimensions of the 5309 bearing?
The 5309 has a bore (d) of 45 mm, an outside diameter (D) of 100 mm and a width of 39.7 mm, so it is written 45 × 100 × 39.7 mm.
What is the load rating of the 5309?
Dynamic load rating 65,250 N and static load rating 48,600 N. The speed rating is 4,770 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 5309 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 5309-2RS (rubber seals on both sides), 5309-ZZ (metal shields on both sides), 5309 M (machined brass cage). Tell us the exact designation you need in a quote request.
Which other bearings have the same 45 mm bore as the 5309?
Other angular contact ball bearings with a 45 mm bore include 7909 (68 mm OD), 7009 (75 mm OD), 3209 (85 mm OD), 5209 (85 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 5309 bearing across India?
Yes. Logass Trade Centre supplies the 5309 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 5309?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.