Tapered Roller Bearings
30312 Tapered Roller Bearing
60 × 130 × 33.5 mm
30312 is a tapered roller bearing from the 303 series with a 60 mm bore, a 130 mm outside diameter and a 33.5 mm overall width. It has a dynamic load rating of 162,000 N and a static load rating of 189,000 N and a speed rating of 3,600 rpm (oil lubrication), weighing about 2.06 kg. The radial cross-section (D − d) is 70 mm.
Brands: NTN, FAG, SKF, NBC, DTC, SLS
30312 Specifications
| Bearing No. | 30312 |
|---|---|
| d (Bore) | 60 mm |
| D (Outer Dia.) | 130 mm |
| T (Overall Width) | 33.5 mm |
| B (Cone Width) | 31 mm |
| C (Cup Width) | 26 mm |
| Dynamic Load | 162,000 N |
| Static Load | 189,000 N |
| Max. RPM | 3,600 |
| Weight | 2.06 kg |
| Series | 303 Series Single Row Tapered Roller Bearings |
30312 Variants & Designations
Typical designations for this size, subject to availability. Full suffix meanings are listed on the 303 series page.
30312 P6
higher running accuracy (ISO class 6)
30312 M
machined brass cage
Neighbouring Sizes in the 303 Series
30312 — Frequently Asked Questions
What are the dimensions of the 30312 bearing?
The 30312 has a bore (d) of 60 mm, an outside diameter (D) of 130 mm and a overall width of 33.5 mm, so it is written 60 × 130 × 33.5 mm.
What is the load rating of the 30312?
Dynamic load rating 162,000 N and static load rating 189,000 N. The speed rating is 3,600 rpm with oil lubrication; for grease lubrication use about 75% of that value.
Is the 30312 available with seals, special clearance or other options?
Yes, subject to availability. Typical designations include 30312 P6 (higher running accuracy (ISO class 6)), 30312 M (machined brass cage). Tell us the exact designation you need in a quote request.
Which other bearings have the same 60 mm bore as the 30312?
Other tapered roller bearings with a 60 mm bore include 32012 (95 mm OD), 33012 (95 mm OD), 33112 (100 mm OD), 30212 (110 mm OD). A larger outside diameter generally means a higher load rating.
Do you supply the 30312 bearing across India?
Yes. Logass Trade Centre supplies the 30312 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 30312?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.