Double Row Tapered Roller Bearings
TEDIN supplies double row tapered roller bearings for heavy-duty radial and axial load applications. Available in TDO, TDI and spacer-type designs, these bearings are used in rolling mills, gearboxes, wheel hubs, industrial machinery and custom bearing assemblies.
Heavy-Duty Bearing Support
Designed for combined radial loads and axial loads in both directions.
Key Data for Double Row Tapered Roller Bearings
Double row tapered roller bearings are selected for compact bearing arrangements requiring high radial load capacity, axial positioning and reliable performance in heavy-duty industrial equipment.
Bearing Rows
Double row tapered rollers
Two rows in one bearing unit for higher stiffness.
Load Direction
Radial + axial loads
Supports axial loads in both directions depending on structure.
Common Types
TDO, TDI and spacer designs
Available for different shaft and housing arrangements.
Size Options
Metric and inch dimensions
Suitable for standard replacement and drawing-based supply.
Applications
Rolling mills, gearboxes, heavy machinery
Used where high load capacity and stable shaft location are required.
Custom Supply
Clearance, preload, cage and spacer options
Technical confirmation is recommended before replacement.
How Double Row Tapered Roller Bearings Work
Double row tapered roller bearings use two opposed rows of tapered rollers to locate shafts and manage combined forces within one compact bearing assembly.
Opposed Roller Geometry
The two roller rows are arranged to support forces from opposite axial directions, helping stabilize the shaft during operation.
Integrated Bearing Unit
A double row design combines two working rows in one assembly, reducing the need for separate paired single row bearings.
Controlled Internal Setting
Clearance, preload and spacer settings influence stiffness, temperature rise and service life in heavy-duty bearing applications.
Need help confirming the bearing structure or internal setting?
Send the bearing code, drawing, dimensions or operating conditions. TEDIN can help review TDO, TDI or spacer-type designs before quotation.
Common Structure Types of Double Row Tapered Roller Bearings
Different double row tapered roller bearing structures are available to match shaft location, housing design, internal clearance and mounting requirements.
Double Outer Ring Design
TDO type bearings usually feature one double cup and two cone assemblies, making them suitable for stable axial shaft location.
- Common structure for heavy-duty arrangements
- Suitable for combined load conditions
- Often used where rigid shaft support is required
Double Inner Ring Design
TDI type bearings generally use one double cone and two cups, providing another mounting option for compact bearing assemblies.
- Useful for specific shaft and housing layouts
- Supports controlled internal bearing setting
- Suitable for high-stiffness bearing positions
Spacer-Controlled Setting
Spacer rings can be used to control clearance or preload, helping adapt the bearing to demanding operating conditions.
- Supports clearance or preload adjustment
- Can be customized for special applications
- Requires confirmation based on working conditions
Where Double Row Tapered Roller Bearings Are Used
These bearings are often selected for bearing positions that need shaft location, combined load support and stable operation in limited installation space.
For Loaded Shaft Arrangements
In heavy-duty machines, one bearing position may need to handle radial force, axial force and vibration at the same time. A double row arrangement is often used when paired single row bearings are not convenient for the available space.
- Used where shafts need location in both axial directions
- Suitable for compact housings and high-load positions
- Available for replacement projects and drawing-based supply
- Final selection should be checked against actual working conditions
Rolling Mills
Used in roll necks and related mill equipment where heavy radial load and steady roll support are required.
Gearboxes
Applied on shafts affected by gear mesh forces, especially where axial positioning and housing stiffness are important.
Mining Machinery
Selected for equipment exposed to shock load, dust and irregular working cycles, subject to proper sealing and lubrication.
Construction Equipment
Used in drive and support positions where load direction and operating speed may change during machine operation.
Crane & Lifting Equipment
Used where bearing stiffness, load control and service reliability must be considered together.
Industrial Drive Units
Used in compact drive assemblies that operate for long periods under steady or repeated load.
Manufacturing and Quality Control
For double row tapered roller bearings, performance is closely related to machining accuracy, heat treatment, raceway finish and final inspection.
Controlled Process for Bearing Production
TEDIN checks the main production steps that affect bearing fit, internal geometry and running condition. For replacement projects, drawings, old bearing numbers or application details can be reviewed before production.
Ring Machining
Bore, outside diameter and width are controlled before heat treatment and finishing operations.
Heat Treatment
Hardness and material stability are checked according to the bearing size and application requirement.
Raceway Grinding
Raceway geometry and surface finish are important for contact condition and running accuracy.
Inspection & Assembly
Dimensions, clearance, components and matching requirements are checked before packing.
How to Specify Double Row Tapered Roller Bearings
The same boundary dimensions do not always mean the same internal design. Before replacement or new selection, several key details should be checked.
Structure & Dimensions
Confirm the bearing structure, bore, outside diameter, width and mounting space.
Load & Speed
Check radial load, axial load, shock load, operating speed and duty cycle.
Clearance or Preload
Confirm axial play, internal clearance or preload requirement before assembly.
Working Conditions
Consider lubrication, temperature, sealing, vibration and maintenance access.
Double Row Tapered Roller Bearing FAQ
Questions about quotation, replacement, drawings, MOQ, lead time and technical confirmation.
What information should I provide for a quotation?
Please send the bearing code, drawing or main dimensions, quantity, application, load direction, operating speed, lubrication method and any clearance or preload requirement if available. Photos of the old bearing or installation position are also helpful for replacement projects.
Can TEDIN replace bearings by SKF, Timken, NSK or other part numbers?
Yes, TEDIN can check replacement possibilities according to the original bearing number, brand reference, dimensions and working conditions. Because internal design, clearance, cage type and load rating may differ, technical confirmation is recommended before replacement.
Can you manufacture double row tapered roller bearings according to drawings?
Yes. TEDIN can review drawings, samples or technical requirements for custom double row tapered roller bearings, including metric, inch-size, TDO, TDI and spacer-type designs. Special dimensions, clearance, cage structure or material requirements can be discussed.
What is the difference between TDO and TDI types?
TDO type usually has one double cup and two single cones. TDI type usually has one double cone and two single cups. The suitable structure depends on shaft location, housing design, assembly method and axial positioning requirements.
Can I replace a bearing only by the same dimensions?
Not always. Bearings with the same bore, outside diameter and width may have different internal geometry, roller profile, cage design, clearance, preload, load rating or suffix. Please confirm the old bearing code, drawing or application details before replacement.
What is the MOQ for double row tapered roller bearings?
MOQ depends on the bearing size, structure, material, precision requirement and stock status. For standard or available stock items, small quantity orders may be discussed. For customized bearings, MOQ is usually confirmed after drawing review.
What is the usual lead time?
Lead time depends on stock availability, bearing size and whether the bearing is standard or customized. Stock items can usually be arranged faster, while custom or large-size double row tapered roller bearings require production after technical confirmation.
Can you provide inspection reports or quality documents?
Yes. TEDIN can provide inspection records according to order requirements, such as dimension inspection, hardness check, material information, final inspection report and packing photos. Specific documents can be confirmed before production or shipment.
Need Double Row Tapered Roller Bearings?
Send your bearing code, drawing, dimensions, load requirements or working conditions. TEDIN can help review suitable double row tapered roller bearings for heavy-duty equipment, replacement projects and custom bearing applications.
- Bearing Code
- Drawing or Dimensions
- Load Requirements
WhatsApp: 8613663889399 Tel: +86 13663889399 Email: in**@***********gs.com
Standard metric, inch-size, TDO, TDI, spacer-type and custom tapered roller bearing inquiries are welcome.