Thrust Ball Bearings
51204 Thrust Ball Bearing
20 × 40 × 14 mm
51204 is a thrust ball bearing from the 512 series with a 20 mm bore, a 40 mm outside diameter and a 14 mm height. It has a dynamic load rating of 20,070 N and a static load rating of 33,750 N and a speed rating of 5,310 rpm (oil lubrication), weighing about 0.081 kg. The radial cross-section (D − d) is 20 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
51204 Specifications
| Bearing No. | 51204 |
|---|---|
| d (Bore) | 20 mm |
| D (Outer Dia.) | 40 mm |
| H (Height) | 14 mm |
| Dynamic Load | 20,070 N |
| Static Load | 33,750 N |
| Max. RPM | 5,310 |
| Weight | 0.081 kg |
| Series | 512 Series Single Direction Thrust Ball Bearings |
51204 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 512 series page.
Neighbouring Sizes in the 512 Series
51204 — Frequently Asked Questions
What are the dimensions of the 51204 bearing?
The 51204 has a bore (d) of 20 mm, an outside diameter (D) of 40 mm and a height of 14 mm, so it is written 20 × 40 × 14 mm.
What is the load rating of the 51204?
Dynamic load rating 20,070 N and static load rating 33,750 N. The speed rating is 5,310 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 51204 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 51204 M (machined brass cage). Tell us the exact designation you need in a quote request.
Which other bearings have the same 20 mm bore as the 51204?
Other thrust ball bearings with a 20 mm bore include 51104 (35 mm OD), 53204 (40 mm OD), 52205 (47 mm OD), 52305 (52 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 51204 bearing across India?
Yes. Logass Trade Centre supplies the 51204 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 thrust 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 51204?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.