Deep Groove Ball Bearings
6304 Deep Groove Ball Bearing
20 × 52 × 15 mm
6304 is a deep groove ball bearing from the 6300 series with a 20 mm bore, a 52 mm outside diameter and a 15 mm width. It has a dynamic load rating of 14,310 N and a static load rating of 7,110 N and a speed rating of 15,300 rpm (oil lubrication), weighing about 0.144 kg. The radial cross-section (D − d) is 32 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
6304 Specifications
| Bearing No. | 6304 |
|---|---|
| d (Bore) | 20 mm |
| D (Outer Dia.) | 52 mm |
| B (Width) | 15 mm |
| Dynamic Load | 14,310 N |
| Static Load | 7,110 N |
| Max. RPM | 15,300 |
| Weight | 0.144 kg |
| Series | 6300 Series Single Row Deep Groove Ball Bearings |
6304 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 6300 series page.
Neighbouring Sizes in the 6300 Series
6304 — Frequently Asked Questions
What are the dimensions of the 6304 bearing?
The 6304 has a bore (d) of 20 mm, an outside diameter (D) of 52 mm and a width of 15 mm, so it is written 20 × 52 × 15 mm.
What is the load rating of the 6304?
Dynamic load rating 14,310 N and static load rating 7,110 N. The speed rating is 15,300 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 6304 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 6304-ZZ (metal shields on both sides), 6304-2RS (rubber seals on both sides), 6304 C3 (radial clearance larger than normal), 6304-2RS C3 (sealed, with C3 clearance). Tell us the exact designation you need in a quote request.
Which other bearings have the same 20 mm bore as the 6304?
Other deep groove ball bearings with a 20 mm bore include 6804 (32 mm OD), 6904 (37 mm OD), 6004 (42 mm OD), 16004 (42 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 6304 bearing across India?
Yes. Logass Trade Centre supplies the 6304 Pan India with technical support, from single pieces to bulk orders. Use the quote button to share your quantity and brand preference.
Can’t find your size?
We supply sizes, brands and special versions of deep groove ball bearings that are not listed on this page. Type the exact size or designation you need and send it to us for a quote.
Need pricing on the 6304?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.