Configuration illustration. Confirm the listed dimensions, execution and controlled drawing before ordering.
Track Roller Bearing
NNTR5514070
Larger double-row support roller for severe radial duty in metallurgical and conveyor lines.
Cross-reference note: Brand names and reference numbers identify the buyer's requirement. We manufacture compatible bearings to the confirmed drawing unless an original branded product is expressly quoted.
Specifications
NNTR5514070 technical data
| d | 55 mm |
|---|---|
| D | 140 mm |
| B | 70 mm |
| C | 68 mm |
| Crw | 218 kN |
| C0rw | 315 kN |
| Mass | 6.4 kg |
Selection notice: Catalog dimensions are factory reference data. Confirm the controlled drawing and suffix during quotation.
Documentation status: Data reviewed 2026-09-27. Controlled drawings and order-specific inspection scope are available on request; a batch report must identify the actual model and lot.
NNTR5514070 cross references
Common purchasing and maintenance references associated with this bearing include NNTR5514070 · RSU55-140 · NNTR 55x140x70 · RSU55140 · RSU-55-140 · RSU 55 140 · NNTR-5514070 · NNTR 5514070 · RSU-55 140 .
Confirm dimensions, seals, mounting, load and speed before interchange. Similar model numbers do not guarantee fit.
Common sourcing descriptions
The following phrases reflect how maintenance and purchasing teams commonly describe the requirement. They are identification clues and must still be checked against the drawing and operating duty.
- NNTR5514070 track roller dimensions
- NNTR5514070 replacement bearing
- NNTR5514070 bearing supplier
- RSU55-140 equivalent
- NNTR 55x140x70 equivalent
- RSU55140 equivalent
- RSU-55-140 equivalent
Application
Application and RFQ checklist
Steel processing lines, heavy conveyors and support roller positions.
Information required for selection
- Identification
- Complete model designation and suffix
- Dimensions
- Bore or stud, outside diameter and width
- Duty
- Load, speed, shock and operating cycle
- Environment
- Seals, grease type and temperature range
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