View specifications Combined Bearings
Standard, adjustable, high-load and welded-plate combined roller bearings for forklift masts, steel sections and lifting systems.
Models and specificationsFactory-Direct Industrial Bearings | OEM & Custom
Combined Bearing & Track Roller Manufacturer Factory-direct OEM, replacement & custom from Changzhou, China
We manufacture combined bearings, track rollers, SL full-complement cylindrical roller bearings, back-up rollers and cross roller bearings at our Changzhou plant. Send the model, dimensions, drawing, quantity and operating conditions for a factory quotation.
- Changzhou manufacturing base
- Standard & drawing-based production
- Shanghai export packing
7 bearing families Factory production Find by Series
Popular bearing series and replacement references
Start with the designation family, then verify every suffix, dimension and operating condition before ordering.
NUTR Yoke type track rollers Full-complement cylindrical rollers with axial guidance Open series NNTR / RSU Support rollers Double-row heavy support roller references Open series NUKR Stud type track rollers Stud-mounted rollers with published dimensions and loads Open series NATR..-PP Track roller reference 13 verified model rows with dimensions and ratings Open series SL18 30 Full-complement bearings High radial capacity single-row series samples Open series 4.058 Combined bearings Radial and axial bearing reference for steel profiles Open series RB / CRB Cross roller bearings High rigidity slewing and rotation references Open series PR Back-up rollers Heavy radial support rollers for metal forming Open series
Model numbers identify a starting point, not automatic interchangeability. For additional references, browse the complete product catalog or technical guides.
Product Catalog
Industrial bearing products
Search by family or series, then send the operating data for confirmation before ordering standard or drawing-based options.
View specifications 
View specifications Track Roller Bearings
Yoke type and stud type track rollers for cam drives, conveyors, guideways and heavy-duty automation.
Models and specifications
View specifications Full Complement Cylindrical Roller Bearings
High radial-load cylindrical roller bearings for gearboxes, rope sheaves, extruders and industrial drives.
Models and specifications
View specifications Back-up Roller Bearings
Back-up rollers with or without pivot for levelers, straighteners and steel coil processing lines.
Models and specifications
View specifications Cross Roller Bearings
High-rigidity crossed roller bearings for robotics, harmonic reducers, rotary tables and positioning equipment.
Models and specifications
View specifications Standard NbV Profiles
Matched steel U-profiles for combined bearings, supplied in standard or cut-to-length configurations.
Models and specifications
View specifications Special Track Roller Bearings
Drawing-based guide rollers, profiled outer rings and modified track bearings for non-standard machinery.
Models and specificationsVerified Technical References
Dimensions, load data and downloadable selection material
Public data is processed for initial identification and linked to its source notes. Final selection still requires the quoted factory drawing.
Track roller data
NATR..-PP dimensions and loads
13 verified model rowsCompare d, D, B, radial load ratings, grease speed and mass using processed primary-source data.
Stud roller data
NUKR published specifications
8 model referencesReview outside diameter, stud size, overall length, thread, radial ratings, speed and mass.
Combined bearing data
Combined bearing series catalog
Standard + eccentric + jumboDownload factory dimensions and JD / MR / TR cross-references, then confirm the controlled drawing before order.
Technical values are reference data, not a blanket interchange guarantee. Review the model suffix, permissible outer-ring load, mounting, lubrication, track condition and current controlled drawing.
How It Works
From model to delivery
01
Send bearing details
Send the model, dimensions, quantity, application, delivery country and any drawing or marking photos.
02
Specification review
We review series references, dimensions, mounting, load, speed, sealing and modification requirements.
03
Quotation & confirmation
Receive the proposed specification, price, lead time, inspection scope and delivery terms.
04
Inspection & shipment
The order is checked against confirmed requirements and prepared for international delivery.
Manufacturing & Inspection
Changzhou plant capacity, inspection and application cases
CNC machining, measurement equipment and application references from our Changzhou manufacturing base.
Factory inspection scope with every RFQ
Dimension, marking, packing and inspection documents are defined before production release. Batch reports can be provided against the quoted product.
Review factory QC scopeOEM and steel-line application cases
Review steel-equipment and cross-roller application references used for factory quotation and drawing confirmation.
View application casesPlant evidence: Combined Bearing Source — Changzhou Manufacturing Base. Facility photos show our Changzhou manufacturing and inspection capacity used for combined bearings, track rollers and related industrial roller bearings.
Industrial Bearing Supply FAQ
Common Buyer Questions
Which industrial bearing types can you supply?
We support combined bearings, track roller bearings, full-complement cylindrical roller bearings, back-up rollers, cross roller bearings, special guide rollers and Standard NbV profiles.
Can you cross-reference Winkel, INA, SKF or other bearing numbers?
Send the complete designation, dimensions and application. We can review equivalent series and replacement references, but the proposed item must be confirmed against mounting and operating data.
What information is required for a bearing quotation?
Provide the model, d × D × B dimensions, quantity, application, radial and axial loads, speed, temperature, lubrication, sealing requirement and delivery country. A drawing or marking photo is helpful.
Do you manufacture non-standard bearings and rollers?
Drawing-based dimensions, profiles, shaft ends, seals, grease, clearances and mounting features can be reviewed. Minimum quantity, tooling and lead time depend on the design.
Which track roller series are commonly requested?
Common searches include NUTR, NNTR, PWTR, NUKR, KR, KRV, NATR, NATV, CF and LFR series, including yoke type rollers and stud type cam followers.
Which full-complement cylindrical roller bearing series are available?
Frequently requested series include SL01, SL02, SL04, SL05, SL06, SL18, SL19, RSL, NCF, NJG, NNCL and NNCF.
