Deep Groove Ball Bearings
6811 Deep Groove Ball Bearing
55 × 72 × 9 mm
6811 is a deep groove ball bearing from the 6800 series with a 55 mm bore, a 72 mm outside diameter and a 9 mm width. It has a dynamic load rating of 7,920 N and a static load rating of 7,290 N and a speed rating of 9,000 rpm (oil lubrication), weighing about 0.083 kg. The radial cross-section (D − d) is 17 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
6811 Specifications
| Bearing No. | 6811 |
|---|---|
| d (Bore) | 55 mm |
| D (Outer Dia.) | 72 mm |
| B (Width) | 9 mm |
| Dynamic Load | 7,920 N |
| Static Load | 7,290 N |
| Max. RPM | 9,000 |
| Weight | 0.083 kg |
| Series | 6800 Series Single Row Extra Thin Deep Groove Ball Bearings |
6811 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 6800 series page.
6811-ZZ
metal shields on both sides
6811-2RS
rubber seals on both sides
6811 C3
radial clearance larger than normal
6811-2RS C3
sealed, with C3 clearance
6811 N
snap ring groove in the outer ring
6811 M
machined brass cage
Neighbouring Sizes in the 6800 Series
6811 — Frequently Asked Questions
What are the dimensions of the 6811 bearing?
The 6811 has a bore (d) of 55 mm, an outside diameter (D) of 72 mm and a width of 9 mm, so it is written 55 × 72 × 9 mm.
What is the load rating of the 6811?
Dynamic load rating 7,920 N and static load rating 7,290 N. The speed rating is 9,000 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 6811 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 6811-ZZ (metal shields on both sides), 6811-2RS (rubber seals on both sides), 6811 C3 (radial clearance larger than normal), 6811-2RS C3 (sealed, with C3 clearance). Tell us the exact designation you need in a quote request.
Which other bearings have the same 55 mm bore as the 6811?
Other deep groove ball bearings with a 55 mm bore include 6911 (80 mm OD), 6011 (90 mm OD), 16011 (90 mm OD), 6211 (100 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 6811 bearing across India?
Yes. Logass Trade Centre supplies the 6811 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 6811?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.