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Deep Groove Ball Bearing
China High Quality 61840/61844/61848/61852 Deep Groove Ball Bearings
Basic Info.
| Inner Diameter | 260 mm |
| Outer Diameter | 320 mm |
| Thickness | 28 mm |
| Brand | NTN |
Introduction
This NTN radial bearing (Model 61852) features high-precision bearing steel construction, ideal for heavy-duty applications. With dimensions 260×320×28 mm and single-row design, it ensures stable performance under radial loads. Made in China, compliant with HS Code 8482102000.7
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
Key Specifications & Benefits of SKF Deep Groove Ball Bearings 61840–61852
| Description | Core Value |
|---|---|
| Model Range: 61840 / 61844 / 61848 / 61852 | Standardized interchangeability across high-load radial applications |
| Dimensions (61852): 260×320×28 mm | Precise fit for heavy-duty industrial housings and shafts |
| Single-row, radial load design | Optimized for high-speed rotation with low friction & minimal heat build-up |
| Bearing Steel (GCr15 equivalent) | Superior hardness (HRC 60–64), fatigue resistance & extended service life |
| Contact Angle: 0° | True deep-groove geometry ensures balanced radial + moderate axial load capacity |
| Manufactured in China, SKF-compliant quality control | ISO 9001 & ISO/TS 16949 certified production; 100% dimensional & noise tested |
| HS Code 8482102000 — Duty-optimized export classification | Streamlined global customs clearance for EU, US, and ASEAN markets |
| Production Capacity: 1,000,000 pcs/year | Reliable bulk supply with ≤4-week lead time — no stockouts |
| Applications: Wind turbines, mining conveyors, steel mill gearboxes, CNC spindles | Proven performance under shock loads, dust, and continuous operation |
| SKF-equivalent precision (P6 tolerance class) | Outperforms generic Chinese brands in vibration (≤7 dB) and rotational smoothness |
Why choose our SKF-aligned 618-series? Unlike budget alternatives, each bearing undergoes micro-forging, super-finish grinding, and dynamic balancing — delivering 32% longer L10 life (per ISO 281). All units are pre-lubricated with SKF LGMT 2 grease and sealed with dual-contact rubber shields (IP54 rated).
FAQ: Are these genuine SKF? → No — they’re high-fidelity SKF-spec compliant bearings, engineered to match SKF’s dimensional, material, and performance standards. Can they replace SKF 61852? → Yes — fully interchangeable per ISO 15. What’s the max speed? → 1,800 rpm (oil), 1,300 rpm (grease) at standard preload.
Ready to verify performance data or request a sample batch? Send your inquiry now — our technical team replies within 2 business hours.
Product Summary
- Product Name
- China High Quality 61840/61844/61848/61852 Deep Groove Ball Bearings
- Category
- Deep Groove Ball 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 | Deep Groove Ball 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
China High Quality 61840/61844/61848/61852 Deep Groove Ball Bearings
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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