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Ensure smooth, reliable operation in your machinery with this precision-crafted Koyo Cylindrical Roller Bearing, designed to deliver consistent performance under radial loads. Available in models N312em, N313em, and N314em, these bearings feature a double row design and unseparated construction for enhanced stability, while options for steel or brass cages let you tailor durability to your application needs.
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| Parameter | Details |
|---|---|
| Bearing Type | Cylindrical Roller Bearing |
| Model Number | 2212, 1212, 1212TNI |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Material | Bearing Steel |
| Cage | Steel Cage, Brass Cage |
| Load Direction | Radial Bearing |
| Rows Number | Double |
| Separated | Unseparated |
| Contact Angle | 60° |
| Specification | 95*170*32 mm |
| Deliver Time | 10-15 days |
| Service | OEM, ODM |
| Transport Package | Carton, Pallet |
| Industry | Typical Applications |
|---|---|
| 工程机械 | Hydraulic system components, Gearbox assemblies |
| 钢铁冶金 | Rolling mill equipment, Conveyor systems |
| 自动化设备 | Precision machinery, Drive mechanisms |
Searching for cylindrical roller bearings often means wading through incompatible dimensions or questionable quality that leads to premature wear. Many buyers struggle with finding the right clearance or precision grade for their equipment, only to face costly downtime when parts fail. Sourcing from multiple suppliers for different brands only adds complexity to your procurement process.
The Koyo N312em, N313em, and N314em cylindrical roller bearings address these challenges with ISO 9001-certified manufacturing and strict quality control. Available in precision grades from P0 to P2 and clearances C0, C3, or C4, these double-row radial bearings fit applications like hydraulic systems and conveyor drives where reliable load handling is critical. Our extensive inventory ensures you get the right bearing without long lead times, whether you need standard specifications or custom OEM/ODM solutions.
These cylindrical roller bearings excel in high-radial-load environments with their double-row design and 60° contact angle. The unseparated construction provides stability in rotating machinery, while the choice of steel or brass cages allows adaptation to different operating speeds and temperatures. Whether used in steel mills or automated production lines, the 95x170x32 mm规格 (for model 2212) delivers consistent performance under heavy loads.
Bearing steel construction ensures high surface hardness and wear resistance, critical for extending service life in industrial applications. The precision rating options (from P0 to P2) allow you to match bearing accuracy to your equipment’s requirements—P2 grade for high-precision machinery or P0 for general industrial use. Clearance selection (C0, C3, C4) directly affects thermal expansion accommodation; C3 and C4 clearances are ideal for applications with temperature variations, preventing seizure during operation. The double-row design increases radial load capacity by up to 40% compared to single-row alternatives, making these bearings suitable for heavy-duty gearboxes and presses.
Selecting a substandard cylindrical roller bearing may save upfront costs, but frequent replacements and unplanned downtime quickly erase those savings. Properly matched precision grades and clearances minimize vibration and noise, reducing stress on adjacent components. ISO 281 life calculations show that bearings with adequate load ratings and material quality can operate up to 50% longer, lowering maintenance frequency. By choosing bearings that meet your exact specifications, you avoid the hidden costs of premature failure and equipment damage.
Our manufacturing process adheres to ISO 9001 standards, with raw material inspections and finished product testing for dimensions, hardness, and surface treatment. Each bearing comes with a warranty against manufacturing defects, ensuring you receive reliable components. We source from trusted suppliers and maintain a diverse inventory covering Koyo, SKF, NSK, and other leading brands, allowing you to consolidate purchases and simplify logistics. Whether you need small batches or bulk orders, our low minimum order quantity supports flexible procurement.
Whether you need the N312em, N313em, N314em, or a specific model like 2212, 1212, or 1212TNI, provide your required dimensions, quantity, and delivery location, and we’ll deliver a competitive quote. Our team can also assist with cross-referencing other brands to ensure compatibility with your equipment. The sooner you confirm your requirements, the faster we can arrange shipping.
Q: Do you supply bearings from other brands besides Koyo?
A: Yes, we offer a full range of bearings from international brands including SKF, NSK, NTN, NACHI, IKO, FAG, Timken, and domestic Chinese brands, all available for询价 based on your specifications.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment’s bearing dimensions (bore diameter, outer diameter, width) or existing model number, and our technical team will verify compatibility with the N312em series or recommend alternatives.
Q: What warranty do you offer on these bearings?
A: We provide a warranty against manufacturing defects. Specific terms are detailed in each order contract, covering replacement or refund for faulty products.
Q: What is the minimum order quantity for these cylindrical roller bearings?
A: We support low minimum order quantities to accommodate small repairs or trial orders, with competitive pricing for larger bulk purchases.
Q: How long does shipping take, and what methods are available?
A: Standard lead time is 10-15 days. Shipping options include express (3-5 days), air freight (7-10 days), or sea freight (30-40 days), depending on your location and urgency.
Q: Can you provide custom (OEM/ODM) bearings?
A: Yes, we support OEM/ODM services, including custom dimensions, cage materials, and branding, based on your drawings or specifications.
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Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.
Performance Metrics
35%
Failures Prevented
70%
Downtime Reduction
25+
Years Experience
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78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.
Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.
Free samples available for orders over $50K
Validated against your KPIs before full production commitment.
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Regarding: Koyo N312em N313em N314em Cylindrical Roller Bearing
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