"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."




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.
Send Your Full ListAbout this SKF bearing
Product Specifications
| Parameter | Details |
|---|---|
| Bearing Type | Double Row Cylindrical Roller Bearing |
| Outer Dimension | Medium and Large(120-190mm) |
| Material | Bearing Steel |
| Spherical | Non-Aligning Bearings |
| Load Direction | Axial Bearing |
| Separated | Separated |
| Clearance | C0 C2 C3 C4 C5 |
| Cage | Brass, Steel |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Hardness | 60-64 HRC |
| HS Code | 8482800000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Machine Tools | Lathe Main Shaft |
NN3017 Tn9/Sp Lathe Main Shaft Bearing: Avoid Costly Downtime with Precision Engineering
Lathe operators know the frustration of unexpected spindle failures—often caused by bearings that can't handle continuous radial loads or lack the hardness to resist wear. Sourcing the right replacement bearing becomes a challenge when faced with vague specifications or unproven quality claims.
Engineered for Lathe Main Shaft Reliability
This Double Row Cylindrical Roller Bearing NN3017 Tn9/Sp addresses these challenges with precision-engineered features tailored for lathe main shafts. With 60-64 HRC hardness and separated design, it delivers the durability needed for high-speed metalworking operations. Our comprehensive inventory and multi-brand sourcing capabilities ensure you get the right bearing without unnecessary delays.
Optimal Performance in Lathe Spindle Applications
Designed to accommodate both radial and axial loads in lathe main shafts, this bearing operates efficiently under continuous rotation. Its non-aligning特性 ensures stable performance where shaft alignment is critical, while the brass or steel cage options provide flexibility for different operating speeds and load conditions. Choosing the correct clearance (C0-C5) is essential to match your lathe's specific operating parameters.
Key Engineering Features Explained
The 60-64 HRC surface hardness directly contributes to wear resistance, extending bearing life in abrasive metalworking environments. The separated inner and outer rings simplify installation and maintenance, allowing for quick replacement during scheduled downtime. Vibration grades Z1V1 to Z3V3 let you select the precision level needed—critical for achieving the surface finish requirements of your machined parts. The bearing steel construction ensures consistent performance under thermal stress common in lathe operations.
Why Precision Bearings Reduce Total Cost
Choosing a bearing with accurate hardness and clearance specifications prevents premature failure that leads to unplanned downtime and scrap parts. A properly matched NN3017 Tn9/Sp Lathe Bearing reduces vibration, improving machining precision and reducing tool wear. While initial cost is a consideration, the extended service life and reduced maintenance needs of quality bearings deliver lower total cost of ownership compared to inferior alternatives.
Quality Assurance You Can Verify
Our bearings undergo rigorous dimensional and hardness testing to meet industry standards. We maintain ISO 9001 compliant processes throughout procurement and inspection. Every bearing comes with traceable manufacturing documentation, and we stand behind our products with a warranty against manufacturing defects. Our global supply chain ensures access to both standard and hard-to-find bearing models, with flexible order quantities to match your needs.
Packaging & Shipping
- Packaged in cartons with palletized options for bulk orders
- Stock availability for prompt shipping on standard models
- Multiple shipping methods including express, air, and sea freight
- Low minimum order quantities to support both maintenance and production requirements
Get Your Lathe Bearing Quote Today
Provide your lathe model, required bearing specifications, and quantity to receive a competitive quote. Our technical team can help verify compatibility with your equipment to ensure proper fit. With our extensive inventory and global shipping network, we can fulfill most orders within days, minimizing your production downtime.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides those listed?
A: Yes, we support procurement of bearings across all major international and domestic brands. Simply provide the specific brand and model requirements.
Q: How can I confirm this bearing fits my lathe?
A: Provide your lathe's make, model, and existing bearing dimensions (or part number), and our technical team will verify compatibility with the NN3017 Tn9/Sp specification.
What is your warranty policy for bearings?
A: We provide a warranty against manufacturing defects. The specific terms are detailed in our sales agreement, with coverage typically ranging from 6 to 12 months depending on application.
What is the minimum order quantity for this bearing?
A: We accept small orders for maintenance needs, with no strict minimum quantity. For volume production requirements, we can provide competitive pricing on larger quantities.
How long does shipping take to [my location]?
A: In-stock bearings ship within 1-3 business days. Transit time depends on destination—express shipping typically takes 3-5 days, while standard air freight ranges from 7-15 days.
Can you provide custom bearing solutions if I need specific modifications?
A: Yes, we support OEM/ODM customization for special requirements. Provide your detailed drawings or specification changes, and we can quote custom production options.
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.
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.
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Broad SKF range in one purchase
Ball, roller, needle, thrust, mounted and precision bearings handled in a single industrial order.
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Mixed equipment lists
One inquiry covers parts for different machines, with designations and internal stock codes matched line by line.
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Standard and precision flagged
Routine replacement bearings and special-specification models are labelled separately on your quote.
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No unapproved substitutes
Identification gaps are closed before quoting; any alternative is listed separately for your approval.
Related SKF bearings
These SKF models share the category of Double Row Cylindrical Roller Bearing NN3017 Tn9/Sp for Lathe Main Shaft 60-64 HRC Hardness and can be quoted on the same inquiry.
01 Cylindrical Roller Bearings NU234EM for Steel Mills with 100% Original SKF Quality
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02 Cylindrical Roller Bearing F-229456 40x90x23mm Low Noise for Heidelberg Printing Machines
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03 Cylindrical Roller Bearing NUP2206EM 17x40x16mm for High Precision Mechanical Equipment
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04 Cylindrical Roller Bearing NUP208EM 17x40x16mm P0-P2 Precision for Precision Mechanical Equipment
View detailsWhere this bearing is used
Double Row Cylindrical Roller Bearing NN3017 Tn9/Sp for Lathe Main Shaft 60-64 HRC Hardness is specified in the applications below. Open an application to see the matching SKF bearing categories.
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.
"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."
"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."
Technical articles for this bearing type
These guides cover selection, identification and replacement points relevant to Double Row Cylindrical Roller Bearing NN3017 Tn9/Sp for Lathe Main Shaft 60-64 HRC Hardness.
SKF CARB vs Cylindrical Roller: Wholesale Supplier for Non-Locating Positions
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SKF AH 3138 Withdrawal Sleeve Specs: Wholesale Supplier
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Read the guideQuestions 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.
Get a written quote for Double Row Cylindrical Roller Bearing NN3017 Tn9/Sp for Lathe Main Shaft 60-64 HRC Hardness
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.