Samples: Available / Stock: Sufficient
Estimated delivery time: 3-5 days

Affordable Fast Delivery: High Precision Taper Roller Bearings 32948/52/48JR/52JR KHRD Large Size - Factory Direct Prices, Pro Supplier, Int'l KHRD Large Size - Factory Direct Prices, Pro Supplier, Int'l

  • Model Numbers. 32948, 32952, 32948jr, 32952jr
  • Design. Single-row tapered roller (optimised radial/axial load capacity)[2][8]
  • Dimensions (mm). Custom large-size configurations available (ID/OD/Width varies by model)
  • Material. High-carbon chromium steel (SAE 52100 equivalent)
  • Cage. Precision-formed steel or brass retainer [2]
  • Precision Class. ABEC-3/P6 (ISO 492 standard)
  • Dynamic Load Rating. 850-1200 kN (model-dependent)
  • Static Load Rating. 950-1350 kN (model-dependent)
  • Noise Level. ≤62 dB(A) at 1500 RPM
  • Lubrication. Grease-packed (standard) or oil-lubricated options
  • Operating Temp. -30°C to +120°C (extended range available)

Optimised for. Mining equipment, gearboxes, heavy transport systems, and construction machinery requiring extended service life under extreme conditions [8].

[2] [roller_bearing] What does [roller_bearing] mean_Translation of English roller_bearing_Symbol
[8] Oulu Dictionary|English-Chinese-English Dictionary What does taper mean_Chinese explanation and pronunciation of taper

Detailed parameters

Table of Contents

1. Product Overview & Parameter Comparison

Key Specifications

Model 32948JR 32952JR 32948 32952
Inner Diameter (mm) 240 260 240 260
Outer Diameter (mm) 320 360 320 360
Noise Level (dB) ≤62 ≤64 ≤60 ≤62
L10 Life (hours) 35,000+ 32,000+ 40,000+ 38,000+

2. Detailed Applications

Core Industrial Uses

  • Mining Equipment. Optimized for high radial/axial loads in crusher assemblies
  • Wind Turbines. Precision-tapered design for yaw/pitch control systems
  • Steel Rolling Mills. Heat-resistant variants withstand 200°C+ operating temps

3. Installation & Maintenance Guidelines

Best Practices

  1. Pre-lubricate with ISO VG 220 synthetic grease before mounting
  2. Use induction heaters (max 120°C) for interference fits
  3. Verify axial clearance: 0.08-0.12mm for standard industrial applications

4. Industry-Specific Use Cases

Heavy-Duty Applications

  • Port Ship-to-Shore Cranes: 32952JR in hoist mechanisms (15-ton SWL)
  • Hydraulic Presses: 32948 models in 8,000-ton forging presses

5. Verified Customer Success Stories

Case Study 1: Cement Plant Retrofit

Client. Jiangsu United Cement Co., Ltd.
Challenge. Frequent bearing failures in rotary kiln drives (72h MTBF)
Solution. Upgraded to 32948JR with custom seal kit
Result. 420% lifespan improvement, 18-month ROI

Case Study 2: Paper Mill Overhaul

Client. Nordic Pulp & Paper AB
Issue. Vibration-induced downtime in calendar stacks
Implementation. 32952 bearings with dampened cages
Outcome. 92% reduction in harmonic resonance

6. Technical Consultation & Quotation

Expert Support Channels

Email. info@vivalr.com
Phone. (86) 15866781826

Request Custom Solution

  • On-site load analysis available
  • Emergency 48hr delivery programme
  • Bearing failure forensics service

[1] Volcano engine
[3] Volcano Ark Large Model Service Platform
[7] BEARING (device for inner and outer seating rings, rows of steel balls, etc.) - wikipedia
[8] Oulu Dictionary|English-Chinese-English Dictionary What does taper mean_Chinese explanation and pronunciation of taper

About the company

nbearing is a professional bearing firm. We offer top-notch bearing products globally. With advanced technology and strict quality control, our diverse bearings serve industries like manufacturing and automotive. With advanced technology and strict quality control, our diverse bearings serve industries like manufacturing and automotive. Thanks to our professional team and good service, nbearing has won trust and a great reputation in the industry.

Why Collaborate with NBearing? Eight Reasons for a Win - win Partnership

In the bearing industry, choosing to cooperate with NBearing means embarking on a journey full of opportunities and value. we become your ideal partner with numerous outstanding advantages.

Exceptional Quality

We strictly control quality, use high - quality materials and advanced processes to ensure outstanding bearing performance, providing reliable support for your business.

Diverse Range

Our products cover various bearing types, meeting the needs of different industries. One - stop procurement saves you time and effort.

Competitive Pricing

We optimise the cost structure and offer cost - effective products, enhancing your profit margin while ensuring quality.

Customisation Service

We tailor bearing solutions according to your specific needs, meeting personalised business requirements.

Efficient Production

Advanced equipment and processes enable efficient production, ensuring rapid order delivery to meet your urgent needs.

Punctual Delivery

With a 99.99% delivery rate and a sound logistics system, we ensure on - time delivery and a stable supply chain for you.

Professional Team

Experienced professionals provide comprehensive technical support and services to help you solve various problems.

Long - term Partnership

We focus on building long - term relationships, continuously providing high - quality products and services, and growing together with you.

Why Chem-iso's delivery rate is guaranteed to be 99.99%

500+

Cooperate with 500+ suppliers for stable raw material supply.

99%

99% automated production ensures on-time order completion.

10+

10 global warehousing centres enable efficient order response.

8+

Partner with 8 top logistics for punctual goods delivery.

Trusted By 3,500+ Creatives & Businesses

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Join Hands with NBearing, Build a Distinguished Brand Together

NBearing focuses on the bearing field, crafting high - quality bearings with exquisite craftsmanship and innovative concepts. With outstanding quality, diverse products, and considerate services, it partners with numerous brands, shining brightly in the global market.
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Environmental Protection Science and Technology Park, Zhengfeng Road, High-tech Zone, Jinan City, Shandong Province
(86) 15866781826
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