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Double Row Angular Contact Ball Bearing 3307-a for CNC Machine High Precision P4 P5
Genuine SKF

Buying for several machines? Add this model to one inquiry with the other SKF bearings, housings and accessories on your list. Each line keeps its own designation, quantity and specification.

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Product details

About this SKF bearing

Product Specifications

Parameter Details
Model NO. Double Row Angular Contact Ball Bearing
Separated Separated
Rows Number Double
Load Direction Radial Bearing
Material Bearing Steel
Precision Rating P0 P2 P4 P5 P6
Type Ball
Structure Angular Contact
Cage Steel Cage.Copper Cage.Nylon Cage
Lubrication Oil Grease
Transport Package Carton Pallet
Specification As Your Request
Trademark SKF
Origin Jiangsu China

Application Suitability

Industry Typical Applications
CNC Machinery High precision spindle systems, tool changers, linear guide assemblies

Need a Reliable SKF 3307-a Bearing for Your CNC Machine? Here's What Matters

CNC machine operators know the frustration of precision errors caused by substandard bearings. When angular contact bearings fail to maintain P4/P5 accuracy, machining tolerances drift, scrap rates rise, and production schedules get disrupted. Sourcing the right double row angular contact bearing often means sorting through inconsistent quality and unclear specifications.

Built for CNC Machine Precision and Durability

This SKF 3307-a double row angular contact ball bearing addresses these challenges with its P4/P5 precision ratings and robust construction. As a supplier with comprehensive bearing expertise, we ensure this bearing meets the exacting standards required for CNC machine spindles and critical motion control components. Our extensive inventory covers a wide range of SKF bearing models, supporting same-day shipping for common specifications to minimize downtime.

Where This Bearing Performs Best

Designed for radial and axial load handling in high-speed CNC applications, this bearing excels in environments where rotational accuracy and rigidity are non-negotiable. Its double row structure provides higher load capacity compared to single row designs, making it ideal for vertical spindle applications and precision tooling systems. The angular contact design manages combined loads effectively, ensuring stable performance even during rapid acceleration and deceleration cycles.

Engineering Details That Matter

The bearing's precision rating directly impacts CNC machining quality—P4 grade offers tighter dimensional tolerances and lower runout, critical for fine finishing operations, while P5 provides an optimal balance of precision and cost for general CNC applications. Constructed from high-quality bearing steel, it delivers excellent wear resistance and fatigue life under continuous operation. Available with steel, copper, or nylon cages, the bearing can be tailored to specific speed and temperature requirements. The separated design allows for easy mounting and dismounting, simplifying maintenance procedures in machine tool applications.

Why Bearing Selection Affects Total Cost

Choosing the right high precision angular contact bearing goes beyond upfront cost. A bearing with inadequate precision can cause premature tool wear, increased energy consumption, and costly rework. This SKF 3307-a bearing's consistent quality helps avoid unplanned downtime and extends maintenance intervals, reducing the total cost of ownership over time. By following industry standards for bearing selection and application, you ensure optimal performance and longevity for your CNC equipment.

Quality You Can Rely On

Our bearings undergo strict quality control processes, including dimensional inspection and material verification, to ensure compliance with industry standards. We provide comprehensive documentation, including batch inspection reports, to trace product origin and quality. With a focus on genuine products, we source directly from established manufacturers to guarantee authenticity. Our technical team offers expert guidance on bearing selection and application, helping you avoid costly mismatches. We stand behind our products with a warranty against manufacturing defects, providing additional peace of mind.

Packaging & Shipping

  • Packaged in sturdy cartons on pallets to prevent damage during transit
  • Stock availability supports prompt shipping for urgent requirements
  • Flexible shipping options including express courier, air freight, and sea freight
  • Accommodates both small quantity orders and large volume purchases

Request a Quote for SKF 3307-a Bearing

To get started, provide the bearing model, required precision grade (P4/P5), and quantity. Our team will quickly confirm availability and provide a competitive quote. With our global supply chain and technical expertise, we ensure you receive the right bearing for your CNC machine application, delivered on time.

Frequently Asked Questions

Q: Do you supply other brands and models of bearings besides SKF?

A: Yes, we provide a full range of bearings across international brands and can source specific models according to your requirements.

Q: How can I confirm if this 3307-a bearing fits my CNC machine?

A: Provide your machine model or existing bearing dimensions (bore, outer diameter, width), and our technical team will verify compatibility.

What is your warranty policy for this bearing?

A: We offer a warranty against manufacturing defects. Specific terms are detailed in our sales agreement, typically covering material and workmanship issues.

What is the minimum order quantity for this bearing?

A: We accept small quantity orders to support maintenance needs, with competitive pricing available for larger volume purchases.

How long does shipping take to my location?

A: In-stock items ship within 1-2 business days. Delivery time depends on your location, with express options available for urgent requirements.

Can you provide custom bearing solutions for special applications?

A: Yes, we support OEM/ODM requirements, including custom dimensions and specifications, based on your technical drawings or samples.

Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we'll get back to you with pricing and lead time.

Why Electrical Equipment

One SKF inquiry. Every line accounted for.

Electrical Equipment is an Authorized SKF Distributor that turns mixed equipment lists into itemised, comparable quotes and consolidated supply for industrial plants, maintenance contractors and distributors worldwide.

Boxed SKF bearings stacked on warehouse shelves Technician inspecting a roller bearing on a workbench Packed bearing cartons on a pallet ready for shipment
  • Broad SKF range in one purchase

    Ball, roller, needle, thrust, mounted and precision bearings handled in a single industrial order.

  • Mixed equipment lists

    One inquiry covers parts for different machines, with designations and internal stock codes matched line by line.

  • Standard and precision flagged

    Routine replacement bearings and special-specification models are labelled separately on your quote.

  • No unapproved substitutes

    Identification gaps are closed before quoting; any alternative is listed separately for your approval.

Send Your Model List
Applications

Where this bearing is used

Double Row Angular Contact Ball Bearing 3307-a for CNC Machine High Precision P4 P5 is specified in the applications below. Open an application to see the matching SKF bearing categories.

Buyer feedback

Trusted by plants and maintenance teams

Industrial buyers in the USA, Mexico, Oman, France, New Zealand and Brazil source genuine SKF bearings and mixed lists through Electrical Equipment.

5.0

"When a critical piece of rotating equipment failed, we needed a mixed SKF list urgently. The supplier consolidated the order, shipped same-day, and the parts were on our plant floor in two days. The equipment was back online before the end of the shift."

Ahmed Al-Farsi Ahmed Al-FarsiFarsi Industrial Services · Oman
4.9

"We had a bad experience with counterfeit SKF bearings from another supplier. The bearings from skfus.com are genuine, traceable, and the packaging matches SKF's current format. Our reliability team verified the first batch and we now use them as our primary source."

Luis Hernandez Luis HernandezHernandez Manufacturing · Mexico
5.0

"The SKF mounted units and insert bearings we ordered for a conveyor upgrade were supplied with the correct housing and locking arrangement. Our maintenance team installed them without modification. No noise, no leaks, no call-backs."

Graham McLeod Graham McLeodMcLeod Fabrication · New Zealand
Selection guides

Technical articles for this bearing type

These guides cover selection, identification and replacement points relevant to Double Row Angular Contact Ball Bearing 3307-a for CNC Machine High Precision P4 P5.

FAQ

Questions about ordering this SKF bearing

Short answers on identification, mixed orders, quote terms and substitutions at Electrical Equipment.

What if my SKF designation is incomplete?

Send a clear photo of the bearing markings and note which details still need confirming. We close identification gaps, including the exact specification and complete assembly, before you accept a quote. Nothing is substituted to fill a gap.

Can I quote this bearing together with other SKF categories?

Yes. Standard, precision and mounted units can sit in one itemised inquiry, with each line keeping its own designation, quantity and specification. Housings and mounting accessories are added when they are part of your supply scope.

What does the written quote include?

Each quote lists the designation, quantity, price and currency, stock availability, estimated lead time and quote validity. Applicable freight or tax terms are stated, and the product documents available for your order are confirmed.

How are substitutions confirmed?

Only with your approval. Any alternative is marked separately on the quote, and every technical change needs sign-off from the buyer before an order is placed.

Warehouse aisle with boxed industrial bearings on steel racks
Request a quote

Get a written quote for Double Row Angular Contact Ball Bearing 3307-a for CNC Machine High Precision P4 P5

Send this model alone or with your full SKF list. We verify the identification details on every line first, then issue an itemised written quote with lead time and validity.

Identification details are checked line by line before your written quote is issued. Any technical change requires your approval.