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624ZZ Deep Groove Ball Bearings, Chrome Steel Z3 ABEC-5 Double Metal Shielded Bearing 4mm x 13mm x 5mm

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624ZZ Deep Groove Ball Bearings, Chrome Steel Z3 ABEC-5 Double Metal Shielded Bearing 4mm x 13mm x 5mm

Brand Name : BUGAO

Model Number : 624-ZZ

Certification : ISO9001:2015

Place of Origin : NINGBO, CHINA

MOQ : Negociatable

Price : Negociatable

Payment Terms : L/C, T/T, Western Union, Paypal

Supply Ability : 3000000/MONTH

Delivery Time : 3-7DAYS

Packaging Details : Tube, carton, box, pallet

Material : Bearing Steel/Stainless Steel/Ceramic

Vibration Level : V1 V2 V3 V4

Noise Level : Z1 Z2 Z3 Z4

Precision : P0 P6 P5 P4

Separated : Unseparated

Aligning : Non-aligning

Rows Number : Single Row

Lubrication : Grease or Oil

Certificate : ISO9001:2015

Samples : Avaialbe

Load Direction : Radial Direction

MOQ : Depends on Models

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‌624-ZZ Deep Groove Ball Bearing Technical Documentation‌

‌1. Product Overview‌

  • ‌Model‌: 624-ZZ
  • ‌Type‌: Double Shielded Deep Groove Ball Bearing
  • ‌Precision Grade‌: Standard (P0)

‌2. Detailed Parameters‌

‌Model‌ ‌d (mm)‌ ‌D (mm)‌ ‌B (mm)‌ ‌Cr (kN)‌ ‌Cor (kN)‌ ‌Speed (rpm)‌
623-ZZ 3 10 4 0.65 0.23 48,000
624-ZZ 4 13 5 1.3 0.485 44,000
625-ZZ 5 16 5 1.8 0.68 38,000
626-ZZ 6 19 6 2.3 0.92 32,000
627-ZZ 7 22 7 3.1 1.4 28,000
628-ZZ 8 24 8 3.9 1.8 24,000
629-ZZ 9 26 8 4.7 2.3 20,000

‌3. Performance Characteristics‌

  • ‌Load Ratings‌:
    • Dynamic (Cr): 1.3 kN (133 kgf)
    • Static (Cor): 0.485 kN (49 kgf)
  • ‌Speed Limits‌:
    • Grease Lubrication: 44,000 rpm
    • Oil Lubrication: 54,000 rpm
  • ‌Sealing‌: Double-sided steel shields (ZZ) with NBR rubber gaskets
  • ‌Material‌: Chrome steel (AISI 52100), Rockwell hardness 61-65 HRC

‌4. Technical Highlights‌

  • ‌Low Torque Design‌: Optimized internal geometry reduces friction coefficient to 0.001-0.002
    .
  • ‌Precision Tolerance‌: Bore diameter controlled within ±0.8μm for high-precision applications
    .
  • ‌Environmental Resistance‌: Operating temperature range: -30°C to +120°C

‌5. Application Scenarios‌

  • ‌Industrial‌: Vacuum pumps, textile machinery, miniature motors
  • ‌Automotive‌: Fuel pumps, steering systems, ECU fans
  • ‌Medical‌: Dental handpieces, surgical robotics
  • ‌Consumer Electronics‌: Cooling fans, optical drives

‌4. Applications‌

  • ‌Industrial Equipment‌: Small motors, pumps, and conveyor systems.
  • ‌Automotive Components‌: Alternators, HVAC fans, and wheel hubs.
  • ‌Precision Devices‌: Office automation (printers, scanners) and medical instruments.

Note: Speed limits are for grease lubrication; oil lubrication increases limits by 30-40%.

‌5. Brand Equivalents‌

  • ‌SKF‌: 624-2Z
  • ‌NSK‌: 624ZZ
  • ‌FAG‌: 624-ZZ
  • ‌KOYO‌: 624-RZ

‌6. Maintenance Tips‌

  • ‌Lubrication‌: Use lithium-based grease (NLGI Grade 2)
  • ‌Alignment‌: Max. misalignment angle 2° to prevent uneven wear
  • ‌Storage‌: Keep in dry conditions (humidity <60%)
    .

Product Tags:

624ZZ deep groove ball bearings

      

chrome steel shielded bearing 4mm

      

ABEC-5 electric motor bearing

      
China 624ZZ Deep Groove Ball Bearings, Chrome Steel Z3 ABEC-5 Double Metal Shielded Bearing 4mm x 13mm x 5mm wholesale

624ZZ Deep Groove Ball Bearings, Chrome Steel Z3 ABEC-5 Double Metal Shielded Bearing 4mm x 13mm x 5mm Images

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