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        • Lifecycle status

          Active / Available from OEM
          Apter Power verifies the M preload class, P4 grade, and requested matched-bearing scope before quotation.

        • Lifecycle status

          7005CTYNSUMP4 is available for current procurement. Confirm the complete order code, installed-system fit, and required accessories before purchase; Apter Power can assist with configuration review and quotation.

        7005CTYNSUMP4

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        1001 reviews ｜ Need a Specific Revision?
        NSK 7005CTYNSUMP4 is a P4 super-precision 7005C angular-contact ball bearing with medium M preload for high-speed spindle service.
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        Ships by Saturday, November 14
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        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
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        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
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        Technical specifications for 7005CTYNSUMP4

        • Manufacturer:
          NSK
        • Part Number:
          7005CTYNSUMP4
        • Product Family:
          NSK
        • Product Type:
          Super Precision Angular Contact Ball Bearing
        • Stock:
          1
        • Bearing type:
          Super-precision angular-contact ball bearing
        • Boundary dimensions:
          25 × 47 × 12 mm
        • Contact angle:
          15°
        • Accuracy class:
          P4
        • Preload grade:
          M / Medium
        • Preload:
          148 N
        • Axial rigidity:
          48 N/µm
        • Measured axial clearance:
          -14 µm
        • Preload:
          M
        • Dynamic load rating:
          14.7 kN
        • Static load rating:
          7.40 kN
        • Grease limiting speed:
          32,000 rpm
        • Oil-air limiting speed:
          38,000 rpm
        • Weight:
          0.078 kg
        • Estimated shipping dimensions:
          4.7x4.7x1.2cm
        • Tariff Code:
          Please confirm the destination before shipping
        • Country of origin:
          Japan
        • Place of shipment:
          Xiamen,Fujian,China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals M Preload Choice Speed and Load Spindle Assembly Product Applications

        NSK 7005CTYNSUMP4 Super Precision Angular Contact Ball Bearing Overview

        • M medium preload with 48 N/µm axial rigidity
        • P4 accuracy in the 25 × 47 × 12 mm 7005C envelope
        • SU universal arrangement for precision spindle sets

        7005CTYNSUMP4 applies 148 N preload and -14 µm measured axial clearance to the medium-preload configuration.


        The M suffix places this version above EL and L but below H in the listed preload and rigidity progression.


        Its load ratings and limiting speeds must be evaluated with spindle fit, orientation, lubricant delivery, and thermal behavior.

        Apter Power supports 7005CTYNSUMP4 suffix verification, quotation, and precision-bearing procurement.
        NSK 7005CTYNSUMP4 Super Precision Angular Contact Ball Bearing Manuals,Datasheets,Link
        Important Notice: Keep the M preload, SU arrangement, and P4 accuracy tied to the complete model when ordering a spindle replacement.
        • Preload level: The M designation sets 148 N, above the EL and L values but below H.
        • Axial rigidity: The catalog value is 48 N/µm for the medium-preload version.
        • Internal condition: Measured axial clearance is -14 µm for 7005CTYNSUMP4.
        • Model control: The M suffix must remain attached to the 7005CTYNSU and P4 configuration.
        • Dynamic rating: The basic dynamic load rating is 14.7 kN.
        • Static rating: The basic static load rating is 7.40 kN.
        • Grease speed: The listed grease-lubricated limiting speed is 32,000 rpm.
        • Oil-air speed: The listed oil-air limiting speed is 38,000 rpm.
        • Universal arrangement: The SU suffix supports configuration in approved paired or grouped layouts.
        • Contact geometry: The 15-degree contact angle establishes the bearing load direction.
        • Precision seats: P4 accuracy requires matching shaft, housing, shoulder, and runout control.
        • Cage identity: The TYN cage code remains part of the complete replacement designation.
        • Machine-tool spindles: The M preload targets precision spindle positions needing more rigidity than EL or L.
        • Grinding centers: P4 running accuracy supports precision grinding and finishing equipment.
        • Compact cartridges: The 7005C boundary dimensions suit compact spindle-bearing envelopes.
        • Matched bearing sets: The SU designation supports engineering of paired and grouped angular-contact arrangements.
        Description
        The 7005CTYNSUMP4 is an NSK 7005C-series super-precision angular-contact ball bearing with a 25 mm bore, 47 mm outside diameter, 12 mm width, 15-degree contact angle, and P4 accuracy. The M suffix identifies the medium preload selection and must remain part of the ordered designation.

        The 7005CTYNSUMP4 carries basic dynamic and static load ratings of 14.7 kN and 7.40 kN, with limiting speeds of 32,000 min⁻¹ under grease lubrication and 38,000 min⁻¹ under oil-air lubrication. Its 148 N preload, 48 N/µm axial rigidity, and -14 µm measured axial clearance distinguish this variant from the EL, L, M, and H alternatives.
        Alternative Names
        NSK 7005C M preload P4 spindle bearing 7005CTYNSUMP4-APN
        Technical notes
        7005CTYNSUMP4 is a preload-specific precision bearing, not a generic 7005 replacement. Preserve the complete designation, mounting arrangement, orientation, spacer set, lubricant, fits, and spindle runout records; stop assembly if the replacement preload or matched-set condition cannot be confirmed.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        What does the M suffix mean on 7005CTYNSUMP4?
        It identifies NSK’s medium preload grade for this 7005C P4 bearing. Keep the complete suffix in the RFQ because another preload grade changes stiffness and internal condition.
        Can 7005CTYNSUMP4 be replaced by another 7005C P4 bearing?
        Only after the spindle design, preload, arrangement, cage, lubrication, and matched-set requirements are reviewed. Matching the 25 × 47 × 12 mm envelope alone is not sufficient.
        What preload data applies to 7005CTYNSUMP4?
        The catalog value is 148 N preload with 48 N/µm axial rigidity and -14 µm measured axial clearance for the stated reference arrangement.
        What load ratings apply to 7005CTYNSUMP4?
        The basic dynamic load rating is 14.7 kN and the basic static load rating is 7.40 kN. Apply the machine designer’s life and duty calculations before selection.
        What speed limits apply to 7005CTYNSUMP4?
        Catalog limiting speeds are 32,000 min⁻¹ with grease and 38,000 min⁻¹ with oil-air lubrication. Actual allowable speed depends on fit, preload, lubrication, cooling, and spindle condition.
        What should be checked before installing 7005CTYNSUMP4?
        Confirm shaft and housing fits, shoulder geometry, orientation, cleanliness, lubricant quantity, spacer condition, preload grade, and runout. Do not transmit installation force through the rolling elements.
        What should an RFQ for 7005CTYNSUMP4 include?
        State the exact 7005CTYNSUMP4 designation, quantity, single or matched arrangement, spindle application, lubrication method, and any pairing or packaging requirement.

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