NTN N2312EM Cylindrical Roller Bearing – High Precision, Japan Made
Basic Info.
| Bore Size | 15–90 mm |
| Outer Dimension | 35–180 mm |
| Specification | 60×130×46 mm |
| Material | |
| Load Direction | Radial Bearing |
| Lubrication | Grease or Oil |
Introduction
Cylindrical Roller Bearing 307 (Model N2312em) is a high-precision radial bearing made of bearing steel, suitable for heavy radial loads. Features non-aligning design, separated structure, and supports P0–P2 precision ratings. Ideal for OEM/ODM applications with standard carton/pallet packaging.Key Specifications & Advantages of NTN N2312EM Cylindrical Roller Bearing
| Description | Core Value |
|---|---|
| High-Precision Japanese Manufacturing (JIS B 1514) | Superior dimensional accuracy & surface finish vs. generic imports |
| Bore × OD × Width: 60 × 130 × 46 mm | Exact interchangeability with SKF NJ2312, FAG N2312, TIMKEN HM88649 |
| P0–P2 Precision Grades Available | Enables high-speed, low-vibration operation in CNC spindles & gearboxes |
| Bearing Steel (SUJ2 / GCR15) + Full Heat Treatment | Extended fatigue life (>2× standard L10 rating under rated load) |
| Separated Design (Roller + Cage + Rings) | Easy mounting/dismounting — reduces maintenance downtime |
| Radial Load Capacity Only (Non-Self-Aligning) | Optimized rigidity for precision machine tool applications |
| Grease or Oil Lubrication Compatible | Flexible integration into existing OEM lubrication systems |
| Z1V1–Z3V3 Low-Vibration Certification | Meets ISO 2372 standards — ideal for textile, printing & packaging machinery |
| OEM/ODM Support + 100,000 pcs/Month Capacity | Reliable supply chain with fast lead times — no stockouts |
| HS Code 8482500090 | Japan Origin | Full customs traceability & compliance with EU/US import regulations |
Engineered for demanding industrial environments — from steel mill roll stands to high-accuracy servo motor housings. Every NTN N2312EM bearing undergoes 100% dynamic testing and micro-hardness verification before shipment. Unlike economy-grade alternatives, NTN’s proprietary cage geometry minimizes roller skidding and extends service intervals by up to 35%. Still have technical questions? Contact our bearing specialists today for a free compatibility review and quotation.
- Product Name
- NTN N2312EM Cylindrical Roller Bearing – High Precision, Japan Made
- Category
- Cylindrical Roller Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Cylindrical Roller Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
The engineering partner advantage
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NTN N2312EM Cylindrical Roller Bearing – High Precision, Japan Made
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