Tapered Roller Bearings
30305 Tapered Roller Bearing
25 × 62 × 18.25 mm
30305 is a tapered roller bearing from the 303 series with a 25 mm bore, a 62 mm outside diameter and a 18.25 mm overall width. It has a dynamic load rating of 43,650 N and a static load rating of 42,750 N and a speed rating of 8,010 rpm (oil lubrication), weighing about 0.272 kg. The radial cross-section (D − d) is 37 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
30305 Specifications
| Bearing No. | 30305 |
|---|---|
| d (Bore) | 25 mm |
| D (Outer Dia.) | 62 mm |
| T (Overall Width) | 18.25 mm |
| B (Cone Width) | 17 mm |
| C (Cup Width) | 15 mm |
| Dynamic Load | 43,650 N |
| Static Load | 42,750 N |
| Max. RPM | 8,010 |
| Weight | 0.272 kg |
| Series | 303 Series Single Row Tapered Roller Bearings |
30305 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 303 series page.
Neighbouring Sizes in the 303 Series
30305 — Frequently Asked Questions
What are the dimensions of the 30305 bearing?
The 30305 has a bore (d) of 25 mm, an outside diameter (D) of 62 mm and a overall width of 18.25 mm, so it is written 25 × 62 × 18.25 mm.
What is the load rating of the 30305?
Dynamic load rating 43,650 N and static load rating 42,750 N. The speed rating is 8,010 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 30305 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 30305 P6 (higher running accuracy (ISO class 6)), 30305 M (machined brass cage). Tell us the exact designation you need in a quote request.
Which other bearings have the same 25 mm bore as the 30305?
Other tapered roller bearings with a 25 mm bore include 32005 (47 mm OD), 33005 (47 mm OD), 30205 (52 mm OD), 32205 (52 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 30305 bearing across India?
Yes. Logass Trade Centre supplies the 30305 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 tapered roller 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 30305?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.