NSK Deep Groove Ball Bearings - 6212zz, 6213zz, 6214zz - Factory Direct Prices, Fast Delivery, ISO Certified, Best Deals for Smelter Rolling Equipment
NSK Deep Groove Ball Bearings - 6212zz, 6213zz, 6214zz - Factory Direct Prices, Fast Delivery, ISO Certified, Best Deals for Smelter Rolling Equipment - Image 2
Samples: Available / Stock: Sufficient
Estimated delivery time: 3-5 days

NSK Deep Groove Ball Bearings - 6212zz, 6213zz, 6214zz - Factory Direct Prices, Fast Delivery, ISO Certified, Best Deals for Smelter Rolling Equipment

High-performance NSK deep groove ball bearings with double shielded (ZZ) seals for contaminant protection in harsh smelter environments. Designed for radial loads and medium-speed applications in rolling mills and heavy industrial equipment.

  • 6212zz. 60×110×22mm | Chrome Steel | Dynamic Load: 43kN | Static Load: 25kN | 8000rpm
  • 6213zz. 65×120×23mm [2] | Chrome Steel | Dynamic Load: 62kN [2] | Static Load: 44kN [2] | 7500rpm
  • 6214zz. 70×125×24mm [6] | Chrome Steel | Dynamic Load: 72kN | Static Load: 48kN | 7000rpm

[2] 6213 bearing_NSK bearing 6213 size specification parameters offer-NSK bearing type enquiry
[6] Bearing 6214_Deep groove ball bearing_ID 70 OD 125_NSK-Suzhou Kainuo Yongsheng Bearing Co.

Detailed parameters

1. Product Specifications & Comparison

Model 6212ZZ 6213ZZ 6214ZZ
Inner Diameter (mm) 60 65 70
Outer Diameter (mm) 110 120 125
Thickness (mm) 22 23 24
Dynamic Load Rating (Cr) 52,500 N 57,500 N 62,000 N
Static Load Rating (C0r) 36,000 N 40,000 N 44,000 N
Max Speed (Open) RPM 5,600 5,300 5,000

Key advantages: double-shielded (ZZ) design for dust resistance, C3 internal clearance for thermal stability in smelting environments[3][7].

2. Detailed Applications

Primary Industries Served.

  • Smelting Plants. Conveyor systems handling molten copper (up to 200°C intermittent exposure)[2]
  • Steel Rolling Mills. Supports rollers in hot strip mills requiring 5,000+ RPM operation[3][8].

Operational Benefits.

  • Reduced lubrication frequency: ZZ seals retain grease for 6-8 months in high-particulate environments
  • Axial load capacity: 40% of radial rating for misalignment compensation

3. Usage Scenarios

Scenario 1: Copper Anode Casting Line

  • Equipment. Rotary casting wheel
  • Challenge. Bearing failure every 3 months due to copper splatter
  • Solution. 6213ZZ with enhanced shield coating (MT50)
  • Outcome. 11-month service life extension

4. Real Client Case Studies

Case 1: Jiangxi Nonferrous Metals Group

  • Application. Zinc ingot conveyor system
  • Previous Issue. 62% downtime from bearing corrosion
  • Implementation. 6212ZZ with NSF-H1 certified grease
  • Result. 14-month maintenance-free operation[2][7]

Case 2: Baosteel Hot Rolling Division

  • Application. Coiling machine tension rollers
  • Challenge. Vibration exceeding ISO 10816-3 limits
  • Solution. 6214ZZ with precision P6 tolerance
  • Result. 63% reduction in harmonic vibration[3][8]

5. Request a Quote

Contact our metallurgical bearing specialists.

Technical Support Includes.

  • Bearing life calculation per ISO 281:2007
  • Custom sealing solutions for slag exposure

[2] NSK 6212 bearing (nsk brand products)-Wikipedia
[3] 6213ZZ bearing_NSK bearing 6213ZZ size specification parameters offer-NSK bearing type enquiry
[7] Bearing 6214_Deep groove ball bearing_ID 70 OD 125_NSK-Suzhou Kainuo Yongsheng Bearing Co.
[8] Ball Bearings-NSK China Official Website

About the company

nbearing is a professional bearing firm. We offer top-notch bearing products globally. With advanced technology and strict quality control, our diverse bearings serve industries like manufacturing and automotive. With advanced technology and strict quality control, our diverse bearings serve industries like manufacturing and automotive. Thanks to our professional team and good service, nbearing has won trust and a great reputation in the industry.

Why Collaborate with NBearing? Eight Reasons for a Win - win Partnership

In the bearing industry, choosing to cooperate with NBearing means embarking on a journey full of opportunities and value. we become your ideal partner with numerous outstanding advantages.

Exceptional Quality

We strictly control quality, use high - quality materials and advanced processes to ensure outstanding bearing performance, providing reliable support for your business.

Diverse Range

Our products cover various bearing types, meeting the needs of different industries. One - stop procurement saves you time and effort.

Competitive Pricing

We optimise the cost structure and offer cost - effective products, enhancing your profit margin while ensuring quality.

Customisation Service

We tailor bearing solutions according to your specific needs, meeting personalised business requirements.

Efficient Production

Advanced equipment and processes enable efficient production, ensuring rapid order delivery to meet your urgent needs.

Punctual Delivery

With a 99.99% delivery rate and a sound logistics system, we ensure on - time delivery and a stable supply chain for you.

Professional Team

Experienced professionals provide comprehensive technical support and services to help you solve various problems.

Long - term Partnership

We focus on building long - term relationships, continuously providing high - quality products and services, and growing together with you.

Why Chem-iso's delivery rate is guaranteed to be 99.99%

500+

Cooperate with 500+ suppliers for stable raw material supply.

99%

99% automated production ensures on-time order completion.

10+

10 global warehousing centres enable efficient order response.

8+

Partner with 8 top logistics for punctual goods delivery.

Trusted By 3,500+ Creatives & Businesses

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  • "Truksino is our trusted choice. Their competitive pricing saves costs. Professional technical support resolves issues quickly. Working with them makes our business run smoothly."
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Join Hands with NBearing, Build a Distinguished Brand Together

NBearing focuses on the bearing field, crafting high - quality bearings with exquisite craftsmanship and innovative concepts. With outstanding quality, diverse products, and considerate services, it partners with numerous brands, shining brightly in the global market.
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