Angular Contact Ball Bearings
3309 Angular Contact Ball Bearing
45 × 100 × 39.7 mm
3309 is a angular contact ball bearing from the 33 series with a 45 mm bore, a 100 mm outside diameter and a 39.7 mm width. It has a dynamic load rating of 60,750 N and a static load rating of 65,250 N and a speed rating of 4,770 rpm (oil lubrication), weighing about 1.37 kg. The radial cross-section (D − d) is 55 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
3309 Specifications
| Bearing No. | 3309 |
|---|---|
| d (Bore) | 45 mm |
| D (Outer Dia.) | 100 mm |
| B (Width) | 39.7 mm |
| Dynamic Load | 60,750 N |
| Static Load | 65,250 N |
| Max. RPM | 4,770 |
| Weight | 1.37 kg |
| Series | 33 Series Double Row Angular Contact Ball Bearings |
3309 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 33 series page.
3309-2RS
rubber seals on both sides
3309-ZZ
metal shields on both sides
3309 M
machined brass cage
Neighbouring Sizes in the 33 Series
3309 — Frequently Asked Questions
What are the dimensions of the 3309 bearing?
The 3309 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 3309?
Dynamic load rating 60,750 N and static load rating 65,250 N. The speed rating is 4,770 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 3309 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 3309-2RS (rubber seals on both sides), 3309-ZZ (metal shields on both sides), 3309 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 3309?
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 3309 bearing across India?
Yes. Logass Trade Centre supplies the 3309 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 3309?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.