Self-Aligning Roller Bearing 21317CAK W33 Double Row P0-P4 Precision for Industrial Machinery

Product Specifications

Application Industries

Minimize Downtime with Reliable 21317CAK W33 Self-Aligning Roller Bearing for Industrial Machinery

Industrial machinery operators often face unexpected production halts due to bearing failures, especially in high-load applications where misalignment accelerates wear. Sourcing precision bearings that balance performance, delivery speed, and customization options can be challenging, with many suppliers requiring large minimum orders or long lead times for specialized specs.

21317CAK W33 Double Row Bearing: Engineered for Heavy-Duty Alignment and Durability

Our Self-Aligning Roller Bearing 21317CAK W33 addresses these challenges with double-row roller design that accommodates radial loads and moderate axial loads while compensating for shaft misalignment up to 2 degrees. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we offer P0-P4 precision grades and C0/C3/C4 clearance options to match specific machinery requirements, from CNC machine tools to agricultural reducers.

Optimal Performance in Demanding Industrial Environments

This bearing excels in applications involving heavy radial loads, variable speeds, and potential shaft deflection—common scenarios in mining conveyors, steel rolling mills, and printing presses. The self-aligning capability reduces stress on shafts and housings, extending equipment life in environments where precise alignment is difficult to maintain. Its bearing steel construction ensures resistance to wear and fatigue under continuous operation, making it suitable for 24/7 production cycles.

Key Technical Features That Enhance Machinery Reliability

The 21317CAK W33’s 85mm bore diameter, 180mm outer diameter, and 41mm width provide a robust foundation for load handling. Precision ratings from P0 (standard) to P4 (high precision) allow customization based on application needs—P4 grade minimizes vibration in high-speed spindles, while P0 offers cost-effective solutions for general industrial use. Clearance options (C0 for standard, C3/C4 for thermal expansion) ensure proper fit in temperature-fluctuating environments, preventing seizure or excessive play. The unseparated design simplifies installation and maintenance, reducing downtime during replacements.

Why Authentic Bearings Lower Total Cost of Ownership

Choosing genuine high-precision bearings reduces the risk of premature failure compared to low-quality alternatives. Counterfeit bearings often lack proper heat treatment, leading to early wear that causes equipment breakdowns, unplanned maintenance, and production losses. Our bearings, backed by a 12-month global warranty, undergo rigorous QC testing in our in-house lab, ensuring consistent performance. This reliability translates to lower long-term costs by minimizing downtime, repair expenses, and replacement frequency—critical factors for industrial machinery manufacturers and operators.

Your Trusted Partner for Bearing Solutions Since 2005

Packaging & Shipping

• Secure carton and pallet packaging to prevent damage during transit
• Sample lead time: 3–5 days for standard specifications
• Bulk delivery: 5–15 days depending on order volume
• Global shipping via T/T, credit card, or Alibaba trade terms
• 1pc MOQ available for emergency replacement needs

Get Your 21317CAK Bearing Shipped Fast—Minimize Production Downtime

Don’t let bearing issues disrupt your operations. Whether you need a single replacement or bulk order, our 21317CAK W33 Self-Aligning Roller Bearing is ready to ship. Provide your application details, required precision grade, and quantity, and our team will confirm availability and deliver a quote within 24 hours.

Frequently Asked Questions