Angular Contact Ball Bearings
7921 Angular Contact Ball Bearing
105 × 145 × 20 mm
7921 is a angular contact ball bearing from the 79 series with a 105 mm bore, a 145 mm outside diameter and a 20 mm width. It has a dynamic load rating of 43,650 N and a static load rating of 49,050 N and a speed rating of 5,310 rpm (oil lubrication), weighing about 0.972 kg. The radial cross-section (D − d) is 40 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
7921 Specifications
| Bearing No. | 7921 |
|---|---|
| d (Bore) | 105 mm |
| D (Outer Dia.) | 145 mm |
| B (Width) | 20 mm |
| Dynamic Load | 43,650 N |
| Static Load | 49,050 N |
| Max. RPM | 5,310 |
| Weight | 0.972 kg |
| Series | 79 Series Single Row Angular Contact Ball Bearings |
7921 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 79 series page.
Neighbouring Sizes in the 79 Series
7921 — Frequently Asked Questions
What are the dimensions of the 7921 bearing?
The 7921 has a bore (d) of 105 mm, an outside diameter (D) of 145 mm and a width of 20 mm, so it is written 105 × 145 × 20 mm.
What is the load rating of the 7921?
Dynamic load rating 43,650 N and static load rating 49,050 N. The speed rating is 5,310 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 7921 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 7921-2RS (rubber seals on both sides), 7921-ZZ (metal shields on both sides), 7921 M (machined brass cage). Tell us the exact designation you need in a quote request.
Which other bearings have the same 105 mm bore as the 7921?
Other angular contact ball bearings with a 105 mm bore include 7221 (190 mm OD), 7321 (225 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 7921 bearing across India?
Yes. Logass Trade Centre supplies the 7921 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 angular contact 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 7921?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.