Cross Roller Bearing Size Chart Review
Use size data to narrow the request, then send model evidence, bore, outside diameter, width, mounting interface, ring structure, application, load direction, quantity, and drawing or photo evidence for TFL Bearings review.
Size Confirmation Table
A size chart is a screening aid, not a final ordering approval.
Inner mounting envelope
Record ID, unit, tolerance if known, and shaft or inner ring context.
Housing or outside envelope
Confirm outside diameter with available machine space and outer ring structure.
Axial stack control
Check bearing width, spacer, shoulder, and installed stack condition.
Mounting and suffix detail
Hole pattern, ring structure, preload, accuracy, seal, and suffix can change fit.
Cross Roller Bearing Size Lookup
Catalog-derived dimensions and load ratings are published as TFL common technical parameters. Match the complete model, suffix, mounting-hole orientation, clearance, accuracy, and seal configuration when ordering.
20 models
| Model | Series | Bore d mm | OD D mm | Width B mm | Roller PCD mm | Dynamic C kN | Static C0 kN | Mass kg | Configuration |
|---|---|---|---|---|---|---|---|---|---|
| RB14025 | RB | 140 | 200 | 25 | 168 | 74.8 | 121 | 2.96 | Separable outer ring |
| RB15013 | RB | 150 | 180 | 13 | 164 | 27 | 53.5 | 0.68 | Separable outer ring |
| RB22025 | RB | 220 | 280 | 25 | 250.1 | 92.3 | 171 | 4.1 | Separable outer ring |
| RB25025 | RB | 250 | 310 | 25 | 277.5 | 69.3 | 150 | 5 | Separable outer ring |
| RB2508UU | RB | 25 | 41 | 8 | 32 | 3.63 | 3.83 | 0.05 | Separable outer ring |
| RB3010 | RB | 30 | 55 | 10 | 41.5 | 7.35 | 8.36 | 0.12 | Separable outer ring |
| RB4010 | RB | 40 | 65 | 10 | 51.5 | 8.33 | 10.6 | 0.16 | Separable outer ring |
| RB4510 | RB | 45 | 70 | 10 | 56.5 | 8.62 | 11.3 | 0.17 | Separable outer ring |
| RB7013 | RB | 70 | 100 | 13 | 84 | 19.4 | 27.7 | 0.35 | Separable outer ring |
| RU42 | RU | 20 | 70 | 12 | 41.5 | 7.35 | 8.35 | 0.29 | Integrated inner/outer ring |
| RU66 | RU | 35 | 95 | 15 | 66 | 17.5 | 22.3 | 0.62 | Integrated inner/outer ring |
| RU85 | RU | 55 | 120 | 15 | 85 | 20.3 | 29.5 | 1 | Integrated inner/outer ring |
| RU124X | RU | 80 | 165 | 22 | 124 | 33.1 | 50.9 | 2.6 | Integrated rings; inner ring tapped through holes |
| RU148 | RU | 90 | 210 | 25 | 147.5 | 49.1 | 76.8 | 4.9 | Integrated inner/outer ring |
| RU148G | RU | 90 | 210 | 25 | 147.5 | 49.1 | 76.8 | 4.9 | Integrated rings; counterbores face opposite directions |
| RU148X | RU | 90 | 210 | 25 | 147.5 | 49.1 | 76.8 | 4.9 | Integrated rings; inner ring tapped through holes |
| RU178X | RU | 115 | 240 | 28 | 178 | 80.3 | 135 | 6.8 | Integrated rings; inner ring tapped through holes |
| RU210 | RU | 90 | 210 | 25 | 147.5 | 49.1 | 76.8 | 4.9 | Integrated inner/outer ring; TFL common 210 mm OD code |
| RU228 | RU | 160 | 295 | 35 | 227.5 | 104 | 173 | 11.4 | Integrated inner/outer ring |
| RU445X | RU | 350 | 540 | 45 | 445.4 | 222 | 473 | 35.4 | Integrated rings; inner ring tapped through holes |
RU210 mapping: RU210 is the site's TFL common code for the 90 x 210 x 25 mm integrated-ring family; it is not presented as a THK model number.
Source basis: THK Cross-Roller Ring General Catalog, dimensional tables A18-22 and A18-24–25; IKO catalog retained for terminology and family cross-check.
Size-Based RFQ Checklist
Two bearings can share bore, OD, and width while differing in mounting holes, ring structure, preload, accuracy, lubrication, or suffix meaning.
Identify
Record model marking, suffix, brand context, and label photos.
Measure
Capture bore, OD, width, mounting features, hole diameter, and pitch circle.
Contextualize
Add machine position, application, load direction, and quantity.
Submit
Send dimensions, drawing or photos, and target timing for review.
TFL Supply Chain Review Support
TFL Bearings acts as a bearing supply chain integrator, so model review can also cover sourcing route, cost-saving alternatives, inspection, documents, and export coordination after RFQ evidence is validated.
Pre-audited manufacturing resources
TFL Bearings can coordinate cross roller bearing options across reviewed China manufacturing resources when the RFQ includes model, drawing, quantity, and application evidence.
Cost-saving candidate review
For replacement or cross-reference work, TFL Bearings can review dimensional interchangeability, preload, accuracy, rigidity, mounting, and application limits before quotation.
BOM and shipment coordination
Mixed-model requests can be reviewed for one PO, combined shipment, inspection, export packaging, and document support when the order scope is clear.
Size Chart Use Boundary
Boundary wording follows supplier action, evidence requirement, risk boundary, and RFQ next step.
What to Send TFL Bearings
Size data should arrive with identity, drawing, application, quantity, and timing context.
Engineering Decision Layer
TFL Bearings checks whether measurements, drawings, catalog references, or photos are strong enough for engineering review before quotation.
Chart row, catalog reference, CAD, drawing, photo, installation note, or symptom record
Defines whether the request is selection, replacement, catalog support, drawing review, or problem evidence.
Model, dimensions, mounting, load direction, and application condition
Prevents resource data from being treated as final fit without machine context.
Preload, rigidity, lubrication, accuracy, speed, and environment
Can change the correct route before RFQ and should be tied to the actual machine.
Open questions, quantity, target timing, document need, and contact details
Moves the request from support research to quotation review or missing-data follow-up.
Application Fit Notes for Size Review
Size evidence must be checked against machine condition, not only envelope dimensions.
RFQ Process Depth Layer
The size review path separates resource evidence from final fit and quotation decisions.
Evidence selection
TFL Bearings identifies which measurement, diagram, catalog, CAD, installation, or comparison evidence applies to the request.
Engineering validation
The evidence is checked against model identity, dimensions, mounting, load direction, application, and quantity.
Boundary review
Reference information is separated from fit, availability, document, price, and timing decisions.
RFQ decision
Validated evidence is routed to quotation follow-up or a focused missing-evidence request.
Practical RFQ Checklist
Prepare these details before asking TFL Bearings to validate size data.
Request Evidence Validation- Chart row, measured values, drawing reference, or photo evidence.
- Model marking, series, suffix, dimensions, and ring structure.
- Mounting hole pattern, seating face, shaft or housing context, and application.
- Load direction, speed, rigidity, preload or clearance, lubrication, and environment.
- Validation question: selection, replacement, fit check, or drawing review.
- Quantity, target timing, destination, and document needs.
Related Resource, Product, Replacement, and RFQ Links
Use these review paths to connect provided evidence with the next sourcing, application, replacement, or RFQ action.
Cross roller bearing resources
Return to the resource hub.
Review optionCatalog and CAD resources
Prepare drawing and CAD questions.
Review optionCross roller bearing product hub
Connect dimensions to product family review.
Review optionRFQ submission
Send measured dimensions for validation.
Review optionFAQ
No. A size chart is a starting point. Final review needs model evidence, dimensions, mounting interface, load direction, application, and quantity before RFQ.
Measure bore, outside diameter, width, mounting holes, hole diameter, pitch circle, ring structure, and any flange or shoulder details.
Yes. Photos, measured dimensions, drawing evidence, mounting interface, application, and quantity can support review when the model code is missing.
No. Confirm ring structure, mounting, accuracy, preload or clearance, load direction, suffix, application, and quantity before RFQ.
Use the RFQ path and include measured dimensions, drawing or photo, application conditions, quantity, target timing, and contact details.