Thrust Ball Bearings
51311 Thrust Ball Bearing
55 × 105 × 35 mm
51311 is a thrust ball bearing from the 513 series with a 55 mm bore, a 105 mm outside diameter and a 35 mm height. It has a dynamic load rating of 107,100 N and a static load rating of 221,400 N and a speed rating of 2,070 rpm (oil lubrication), weighing about 1.29 kg. The radial cross-section (D − d) is 50 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
51311 Specifications
| Bearing No. | 51311 |
|---|---|
| d (Bore) | 55 mm |
| D (Outer Dia.) | 105 mm |
| H (Height) | 35 mm |
| Dynamic Load | 107,100 N |
| Static Load | 221,400 N |
| Max. RPM | 2,070 |
| Weight | 1.29 kg |
| Series | 513 Series Single Direction Thrust Ball Bearings |
51311 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 513 series page.
Neighbouring Sizes in the 513 Series
51311 — Frequently Asked Questions
What are the dimensions of the 51311 bearing?
The 51311 has a bore (d) of 55 mm, an outside diameter (D) of 105 mm and a height of 35 mm, so it is written 55 × 105 × 35 mm.
What is the load rating of the 51311?
Dynamic load rating 107,100 N and static load rating 221,400 N. The speed rating is 2,070 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 51311 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 51311 M (machined brass cage). Tell us the exact designation you need in a quote request.
Which other bearings have the same 55 mm bore as the 51311?
Other thrust ball bearings with a 55 mm bore include 51111 (78 mm OD), 51211 (90 mm OD), 53211 (90 mm OD), 52213 (100 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 51311 bearing across India?
Yes. Logass Trade Centre supplies the 51311 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 51311?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.