Cylindrical Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Cylindrical Roller Bearing
NSK N236EM/N238EM Cylindrical Roller Bearings – High-Precision, Heavy-Duty
Basic Info
| Inner Diameter | 100 mm |
| Outer Diameter | 320 mm |
| Thickness | 52 mm |
| Material | Bearing Steel |
| Type | Cylindrical Roller Bearing |
| Seal | Open |
Introduction
High-precision cylindrical roller bearing (NSK, Japan) with radial load capacity, single-row structure, and oil/grease/dry lubrication. Ideal for OEM/ODM applications requiring reliability and dimensional accuracy (100×320×52 mm).7
Day Prototype
vs. 8-12 wks standard
50+
Countries Served
Global logistics network
12h
Quote Response
Expert engineers on call
Typical Applications
Wind Power
Mining
Steel & Metallurgy
Automotive / EV
Rail Transit
Precision Machinery
Genuine SKF Bearings
NDA Protected
Free Sample for Orders > $50K
Global Shipping
Product Details
NSK N236EM / N238EM Cylindrical Roller Bearings – High-Precision Radial Solutions
| Description | Key Selling Point |
|---|---|
| Outer Dimension: 35–400 mm (e.g., 100×320×52 mm) | Wide size range for OEM flexibility & drop-in replacement |
| Material: Premium Bearing Steel (JIS G4805 SUJ2) | Enhanced fatigue life & dimensional stability |
| Load Direction: Pure Radial | Optimized for heavy radial loads in high-speed applications |
| Structure: Cylindrical, Separated Design | Easy mounting/dismounting; ideal for tight-assembly environments |
| Seals Type: Open | Compatible with custom lubrication (oil/grease/dry) & high-temp operation |
| Precision Rating: P0 to P2 (ISO) | Meets strict tolerances for precision machinery & CNC spindles |
| Non-Aligning (Rigid) | Superior rigidity & shaft positioning accuracy vs. spherical types |
| Origin: Japan (NSK Certified) | Consistent quality control & traceable manufacturing |
| HS Code: 8482500090 | Smooth global customs clearance & compliance assurance |
| OEM/ODM Support + 100,000 pcs/mo Capacity | Scalable supply with fast lead times & private labeling |
Engineered for demanding industrial applications — including gearboxes, motors, pumps, and wind turbine gearboxes — NSK N236EM/N238EM bearings deliver unmatched radial stiffness, low friction, and extended service life. Unlike generic alternatives, NSK’s proprietary heat treatment and grinding processes ensure ≤0.3 μm surface roughness and <±3 μm dimensional tolerance. All units undergo 100% noise, vibration, and rotation testing. FAQ: Can these replace SKF NU236E? Yes — identical ISO dimensions and load ratings. Are they interchangeable with NJ/NUP variants? Structurally compatible; consult our engineering team for axial constraint guidance. Ready to source authentic NSK cylindrical roller bearings? Send your inquiry now for datasheets, sample support, and volume pricing.
Product Summary
- Product Name
- NSK N236EM/N238EM Cylindrical Roller Bearings – High-Precision, Heavy-Duty
- Category
- Cylindrical Roller Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Get a Custom Quote
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 |
Custom Specifications Available
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.
Why SKF China
The engineering partner advantage
7 Days
Prototype Lead Time
vs. 8-12 weeks via standard channels
15+
Certified Engineers
SKF-certified, on-call for your project
50+
Countries Delivered
Reliable global logistics network
Request a Quote
Get a custom quote for
NSK N236EM/N238EM Cylindrical Roller Bearings – High-Precision, Heavy-Duty
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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