KBC 6311ZZC3-SRI-2 Radial Deep Groove Ball Bearing

KBC Bearings (Korea Machinery Co., Ltd.)Model:6311ZZC3-SRI-2
Location unavailable
Bearings
Qty:1
Condition: New
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Controlview Automation
Controlview Automation

Seller since: Feb 2026

At a glance

Product
KBC 6311ZZC3-SRI-2 Radial Deep Groove Ball Bearing
Manufacturer
KBC Bearings (Korea Machinery Co., Ltd.)
Model
6311ZZC3-SRI-2
Category
Bearings
Condition
NEW
Availability
In stock
Price or process
Request price
Quantity
1
Lead time
Not provided
Location
Location unavailable
Fulfillment
Shipping only
Listed on

Key specifications

Bore Diameter
55in
Clearance
C3 (Greater than normal)
Dynamic Load Rating
71600lbf
Grease Type
SRI-2
Limiting Speed
6000RPM
Outer Diameter
120in
Shield Type
Double Metal Shields (ZZ)
Static Load Rating
45000lbf
Width
29in

Supporting evidence

No supporting documents or certifications provided.

Description

The KBC 6311ZZC3-SRI-2 is a high-quality radial deep groove ball bearing designed for applications requiring smooth rotation and high load capacity in industrial machinery. Manufactured by Korea Machinery Co., Ltd. (KBC Bearings), this bearing features double metal shields (ZZ) for protection against contaminants, C3 internal clearance for thermal expansion tolerance, and SRI-2 grease for enhanced lubrication and performance in moderate-speed operations. It is ideal for use in electric motors, pumps, conveyors, and automotive components where reliability and low friction are essential. Key advantages include excellent durability, resistance to wear, and cost-effectiveness compared to premium brands like SKF or NSK, offering similar performance at a lower price point. Drawbacks may include slightly higher noise levels in ultra-high-speed applications and the need for proper installation to avoid premature failure. This model supports radial loads primarily but can handle some axial loads, making it versatile for general-purpose use. With its precision engineering, it ensures reduced vibration and extended service life in demanding environments.
Location unavailable for this listing.

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