Configuration illustration. Confirm the listed dimensions, execution and controlled drawing before ordering.
Back-up Roller Bearing
NNTR-style Back-up Roller
Bore-mounted back-up / support roller for levelers and straighteners, available with cylindrical or crowned outer profile.
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
NNTR-style Back-up Roller technical data
| Mounting | Bore-mounted / without pivot |
|---|---|
| OuterProfile | Cylindrical or crowned |
| Design | Drawing-based |
| Inspection | Dimensional + runout on request |
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.
NNTR-style Back-up Roller cross references
Common purchasing and maintenance references associated with this bearing include NNTR-style Back-up Roller · Support roller without pivot · Leveler back-up roller .
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.
- NNTR-style Back-up Roller back-up roller dimensions
- NNTR-style Back-up Roller replacement bearing
- NNTR-style Back-up Roller bearing supplier
- Support roller without pivot equivalent
- Leveler back-up roller equivalent
Application
Application and RFQ checklist
Strip levelers, straighteners and steel coil processing lines.
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
Related back-up roller bearing models
Browse adjacent models in the same family for dimensions, applications and cross references.
Back-up Roller Bearings All bearing products Request a quote
