Product Overview
The 32212 bearing is a single-row tapered roller bearing designed to accommodate combined radial and axial loads in one direction. With a 60mm bore and 110mm outer diameter, this bearing is widely used in medium-duty mechanical transmissions, gearboxes, and industrial machinery where reliable rotation under varying load conditions is essential. Its tapered raceway geometry distributes stress evenly across the roller contact path, promoting long service life in demanding operating environments. Manufactured to metric dimensional standards, the 32212 is interchangeable with the former 7512E designation and remains a popular choice across multiple industrial sectors.
Technical Specifications
><
>>
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Bore Diameter | d | 60 | mm |
| Outer Diameter | D | 110 | mm |
| Total Width | T | 29.75 | mm |
| Inner Ring Width | B | 28 | mm |
| Outer Ring Width | C | 24 | mm |
| Dynamic Load Rating | Cr | 121–133 | kN |
| Static Load Rating | Cor | 169–170 | kN |
| Limiting Speed — Grease Lubrication | — | ~3,400 | r/min |
| Limiting Speed — Oil Lubrication | — | ~4,500–6,600 | r/min |
| Max Shaft Shoulder Diameter | da max | 69 | mm |
| Min Housing Shoulder Diameter | Da min | 95 | mm |
| Max Housing Shoulder Diameter | Da max | 101 | mm |
| Axial Load Factor | e | 0.4 | — |
| Dynamic Axial Load Factor | Y | 1.48–1.5 | — |
| Static Axial Load Factor | Y₀ | 0.81 | — |
| Weight | — | ~1.14–1.26 | kg |
| Old Model Designation | — | 7512E | — |
| Material | — | GCr15 Bearing Steel | — |
This 32212 bearing is manufactured to precision tolerance standards conforming to ISO 355 boundary dimension specifications for tapered roller bearings.
Features and Benefits
- Single-Row Tapered Design — Handles combined radial and axial loads in one direction, reducing the need for additional bearings in many mounting arrangements and simplifying design.
- GCr15 Bearing Steel Construction — Through-hardened chromium steel provides excellent wear resistance and dimensional stability under moderate-temperature operating conditions.
- Optimized Roller Geometry — Tapered rollers and raceways ensure line contact for even load distribution, minimizing stress concentrations and extending service life.
- Interchangeable with 7512E — Direct replacement for the former 7512E designation, simplifying inventory management for maintenance and replacement applications.
- Metric Standard Dimensions — 60×110×29.75mm metric footprint compatible with common housing and shaft configurations worldwide.
Applications
Automotive and Agricultural Transmissions
The 32212 bearing’s ability to handle combined loads makes it well suited for transmission applications in vehicles and agricultural equipment where space is constrained and load directions vary.
- Truck and trailer gearboxes
- Tractor power take-off assemblies
- Agricultural implement drivetrains
Industrial Gearboxes and Speed Reducers
In fixed-speed and variable-speed industrial gearboxes, the 32212 tapered roller bearing supports shaft positioning under radial and axial thrust loads from helical and bevel gearing.
- Parallel shaft gear reducers
- Right-angle gear drives
- Conveyor drive units
Material Handling and Conveyor Equipment
Moderate-speed conveyor systems benefit from the 32212 bearing’s load capacity and straightforward mounting in split housing assemblies.
- Belt conveyor head and tail pulleys
- Roller conveyor systems
- Bucket elevator shaft supports
Quality and Manufacturing
Each 32212 tapered roller bearing is manufactured from GCr15 (AISI 52100 equivalent) high-carbon chromium bearing steel through a controlled process including precision forging, heat treatment, and finish grinding. Raceways and rolling elements are ground to specified tolerances, and every bearing is inspected for dimensional accuracy of bore, outer diameter, and width before release.
Cross Reference
| Designation | Equivalent Model |
|---|---|
| Old Chinese Designation | 7512E |
Cross-reference numbers are provided for identification purposes only. We are not affiliated with the manufacturers of the listed equivalents.
Why Choose Us for 32212 Bearing
We supply the 32212 bearing with responsive service and competitive lead times for OEM and aftermarket customers worldwide. Our export experience covers multiple global ports with flexible terms to match your procurement requirements.
- Short lead times and reliable fulfillment for bulk orders
- Flexible MOQ with sample availability for qualification testing
- Export shipping to major ports worldwide with customizable Incoterms
- After-sales technical support and warranty coverage
Frequently Asked Questions
What are the dimensions of a 32212 bearing?
The 32212 tapered roller bearing has a 60mm bore, 110mm outer diameter, and 29.75mm total width. The inner ring width is 28mm and the outer ring width is 24mm.
What is the load rating of the 32212 bearing?
The dynamic load rating (Cr) of the 32212 bearing ranges from 121 to 133 kN, and the static load rating (Cor) ranges from 169 to 170 kN, depending on the manufacturer’s specific internal geometry.
What is the old model number for the 32212 bearing?
The former Chinese designation for the 32212 tapered roller bearing is 7512E. The two designations refer to the same bearing dimensions and are interchangeable.
What is the weight of a 32212 bearing?
The 32212 tapered roller bearing weighs approximately 1.14 to 1.26 kg depending on the manufacturer’s design and cage material.
What material is the 32212 bearing made from?
The 32212 bearing is manufactured from GCr15 (high-carbon chromium bearing steel, equivalent to AISI 52100), which provides good hardness, wear resistance, and dimensional stability under moderate operating temperatures.
Can the 32212 bearing handle axial loads?
Yes, the 32212 is a single-row tapered roller bearing designed to accommodate combined radial and axial loads in one direction. The axial load factor (e) is 0.4 and the dynamic axial load factor (Y) is 1.48 to 1.5.
