Design, applications and model references
NA49 needle roller bearings With Inner Ring are included in the EIM product-source collection. Use the technical criteria below to confirm the correct bearing selection.
Technical Selection & RFQ Information
Confirm whether the design uses an inner ring, shaft raceway requirements, housing fit and the specified axial/radial duty.
This series has 1 source specification worksheet(s) in the EIM 10.9 technical file set. No series-specific verified photograph was available in the source folder.
Models Listed in the Supplied Source
1, 2, 3, 4, 5. These are source designations, not an availability commitment; confirm the matching specification row before ordering.
What to Send for a Quotation
Include the full bearing or bushing designation (including suffix), working dimensions, operating load and speed, expected quantity, and any relevant fit, tolerance, sealing or material requirements. Send confidential drawings separately by email.
All technical figures must be checked against the selected source table and current application conditions before purchasing.
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Model-specific attributes
Specifications displayed in this area should be verified for the exact part number. Confirm all dimensions, units, tolerances and operating limits against the applicable drawing or approved data sheet.
Use the Specifications Center for series and model dimensions. Select the exact designation and confirm specifications against your approved drawing.
Technical details may vary by model and configuration. Please confirm availability, dimensions and performance requirements with our team before ordering.
What we need to review your requirement
Our team can start from a model designation, a drawing or a new application. The following information helps avoid delays and mismatched quotations.
Needle roller quotation data
- HK, AXK or other complete series reference.
- Shaft finish/hardness and housing fit.
- Load, speed, lubricating conditions.
- Quantity and inspection requirements.
Send the complete reference, suffixes and any available dimensions.
Confirm loads, speed, environment, mounting and inspection needs.
Provide order quantity, project destination and schedule.
Frequently asked questions
Can I request this series using only a model number?
Yes. Include the complete model code with suffixes and the expected quantity. Additional dimensions or application details may be needed for confirmation.
Can EIM confirm a replacement for another bearing brand?
Provide the original designation and relevant specifications. Fit, clearance, internal design, duty conditions and any other critical differences must be checked before an alternative is confirmed.
How do I send my drawings?
Email PDF, STEP, DWG or other technical files to service@eimbearing.com. You can send your files directly by email.
Are all models in this family available from stock?
Availability is checked per exact designation and quantity. Stock availability depends on the exact model and order quantity.
Compare other bearings in this category
If this configuration does not match your dimensions or duty, review other series in the same family.
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