Thrust Ball Bearings
51120 Thrust Ball Bearing
100 × 135 × 25 mm
51120 is a thrust ball bearing from the 511 series with a 100 mm bore, a 135 mm outside diameter and a 25 mm height. It has a dynamic load rating of 76,500 N and a static load rating of 241,200 N and a speed rating of 2,160 rpm (oil lubrication), weighing about 0.987 kg. The radial cross-section (D − d) is 35 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS

51120 Specifications
| Bearing No. | 51120 |
|---|---|
| d (Bore) | 100 mm |
| D (Outer Dia.) | 135 mm |
| H (Height) | 25 mm |
| Dynamic Load | 76,500 N |
| Static Load | 241,200 N |
| Max. RPM | 2,160 |
| Weight | 0.987 kg |
| Series | 511 Series Single Direction Thrust Ball Bearings |
51120 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 511 series page.
Neighbouring Sizes in the 511 Series
51120 — Frequently Asked Questions
What are the dimensions of the 51120 bearing?
The 51120 has a bore (d) of 100 mm, an outside diameter (D) of 135 mm and a height of 25 mm, so it is written 100 × 135 × 25 mm.
What is the load rating of the 51120?
Dynamic load rating 76,500 N and static load rating 241,200 N. The speed rating is 2,160 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 51120 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 51120 M (machined brass cage). Tell us the exact designation you need in a quote request.
Which other bearings have the same 100 mm bore as the 51120?
Other thrust ball bearings with a 100 mm bore include 51220 (150 mm OD), 53220 (150 mm OD), 51320 (170 mm OD), 52224 (170 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 51120 bearing across India?
Yes. Logass Trade Centre supplies the 51120 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 51120?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.
