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NSK
NSK 7218CTYNDBL Angular Contact Bearing Pair
Model: 7218CTYNDBL
4-hour response · Pricing in SAR · Delivery across all KSA regions
NSK 7218CTYNDBL Angular Contact Bearing Pair
The NSK 7218CTYNDBL is a matched pair of single-row angular contact ball bearings, 90 mm bore by 160 mm OD by 30 mm wide, supplied pre-matched in a back-to-back (DBL) duplex arrangement from the factory. The 15° contact angle of the C-series allows this bearing pair to carry combined radial and bidirectional axial loads simultaneously — a capability that single-row deep groove ball bearings and cylindrical roller bearings cannot provide — making the 7218CTYNDBL the standard engineering solution for rotating equipment shaft positions requiring both high-speed performance and precision axial load management. The TYN designation indicates NSK's nylon cage, which provides excellent lubricant retention between rollers, reduced noise at operating speed, and a lighter weight contribution compared to pressed-steel cage designs, enabling higher limiting speeds for precision spindle and pump applications.
In Saudi Arabian industry, angular contact bearing pairs in the 7200 series are specified for centrifugal pump shaft floating and fixed-end arrangements where the pump must handle combined hydraulic thrust and radial impeller loads simultaneously. Saudi Aramco's injection pump and export pump specifications frequently require angular contact bearings for impeller shaft support in high-differential-pressure centrifugal pumps, where the hydraulic thrust force exceeds the axial capacity of deep groove ball bearings. The back-to-back DBL arrangement of the 7218CTYNDBL provides moment stiffness that resists shaft tilting under combined loads, improving seal performance and reducing shaft runout in precision pump applications.
For SABIC's process plants in Jubail, angular contact bearing pairs are used in process pump shaft end supports, small compressor shaft bearings, and precision gearbox high-speed shaft bearing positions where radial stiffness and axial location accuracy both contribute to process equipment performance. The 7218CTYNDBL's factory-matched internal clearance ensures that the load is shared correctly between both bearings in the duplex pair from the moment of installation — eliminating the skilled fitting work required when matching individual bearings on-site, which is a significant practical advantage for Saudi maintenance teams working in field conditions during plant shutdowns.
Razz Middle East supplies NSK 7218CTYNDBL pre-matched duplex pairs with NSK factory pairing documentation, and our engineers can advise on housing design, shaft fit, and preload optimisation for specific Saudi pump and compressor applications.
Technical Specifications
Full specifications for the 7218CTYNDBL
- Bore Diameter
- 90 mm
- Outer Diameter
- 160 mm
- Width
- 30 mm (each bearing)
- Contact Angle
- 15° (C-series)
- Arrangement
- Back-to-back duplex (DBL)
- Cage Type
- Nylon (TYN)
- Dynamic Load Rating
- 96.8 kN (per bearing)
- Max Operating Speed
- 4,500 rpm (grease)
Key Features & Benefits
- 15° contact angle enables simultaneous handling of combined radial and bidirectional axial loads — a capability unavailable in deep groove ball bearings or cylindrical roller bearings in the same bore size.
- Factory-matched DBL back-to-back duplex pairing ensures correct load sharing between both bearings from first installation, eliminating skilled on-site pairing work during plant shutdown maintenance.
- Moment stiffness of the back-to-back arrangement resists shaft tilting under combined loading, improving mechanical seal performance and reducing shaft runout in precision pump applications.
- NSK nylon TYN cage provides superior lubricant retention between rolling elements, reduces operating noise, and enables higher limiting speeds compared to pressed-steel cage designs.
- Factory-calibrated internal clearance matched pair documentation supports ARAMCO and SABIC quality procurement requirements for traceability in critical rotating equipment maintenance.
Industrial Applications in Saudi Arabia
- High-differential-pressure injection pump and export pump impeller shaft bearings at Saudi Aramco facilities in Abqaiq and Ras Tanura, where hydraulic thrust loads exceed the axial capacity of deep groove ball bearings.
- Process pump shaft fixed-end bearing positions at SABIC petrochemical plants in Jubail, where combined radial and axial load capacity with factory-matched pairing is specified for critical pump service.
- Small centrifugal compressor shaft bearings where precision shaft location, axial load management, and high rotational speed are simultaneously required in Saudi process plant service.
- Precision gearbox high-speed shaft bearing positions where axial location accuracy and radial stiffness both contribute to gear mesh performance and vibration reduction.
- HVAC and industrial fan precision shaft bearing positions in large commercial buildings and industrial facilities across Riyadh and Jeddah, where combined load capability extends bearing life.
Industrial Supplier in Saudi Arabia
Get a Quote for the NSK 7218CTYNDBL Angular Contact Bearing Pair
We respond within 4 business hours. Send model 7218CTYNDBL for competitive pricing in SAR with delivery across Saudi Arabia and the GCC.
Frequently Asked Questions — 7218CTYNDBL
Common questions from buyers in Saudi Arabia and the GCC
What is the NSK 7218CTYNDBL Angular Contact Bearing Pair (7218CTYNDBL) and what is it used for?
The NSK 7218CTYNDBL is a matched pair of single-row angular contact ball bearings, 90 mm bore by 160 mm OD by 30 mm wide, supplied pre-matched in a back-to-back (DBL) duplex arrangement from the factory. The 15° contact angle of the C-series allows this bearing pair to carry combined radial and bidirectional axial loads simultaneously — a capability that single-row deep groove ball bearings and cylindrical roller bearings cannot provide — making the 7218CTYNDBL the standard engineering solution for rotating equipment shaft positions requiring both high-speed performance and precision axial load management. The TYN designation indicates NSK's nylon cage, which provides excellent lubricant retention between rollers, reduced noise at operating speed, and a lighter weight contribution compared to pressed-steel cage designs, enabling higher limiting speeds for precision spindle and pump applications.
Where can I buy the NSK 7218CTYNDBL in Saudi Arabia?
Razz Middle East supplies genuine NSK products including the NSK 7218CTYNDBL Angular Contact Bearing Pair (7218CTYNDBL) across all regions of Saudi Arabia — Riyadh, Jeddah, Dammam, Al Khobar, Jubail, Yanbu, Mecca, and Medina. We source fast-moving items to order and can source specialist configurations. Request a quote on this page for same-day pricing.
How do I get the best price for the 7218CTYNDBL in KSA?
Click "Request Free Quote" on this page or message us the model number 7218CTYNDBL on WhatsApp. Our technical sales team responds within 4 business hours with a competitive price in SAR and a confirmed delivery lead time — with no hidden charges or handling fees.
Does Razz Middle East supply genuine NSK products in Saudi Arabia?
Yes. Razz Middle East is an independent industrial supplier, not an appointed NSK distributor. We source through NSK OEM channels or through authorised NSK distributor channels and supply 100% genuine product with full manufacturer warranty and documentation, serving the oil & gas, petrochemical, power generation, water, construction and manufacturing sectors across the Kingdom.
What is the delivery lead time for the NSK 7218CTYNDBL Angular Contact Bearing Pair in Saudi Arabia?
Items are sourced to order and delivered duty-paid, typically 2-3 weeks, to Riyadh, Dammam, Jeddah and the Eastern Province. Project orders and non-standard configurations can take longer. Contact us with the exact model number 7218CTYNDBL to confirm the lead time for your quantity.
Can the 7218CTYNDBL be supplied for industrial projects in KSA?
Yes. Razz Middle East is an approved vendor to SABIC, Ma'aden, Sadara, Saudi Energy, ACWA Power, Safari Group and others. For project orders we provide the manufacturer's technical documentation and certificates of conformity for your vendor approval file. Contact our project team with your project specification.