FAG Current-Insulated Single Row Cylindrical Roller Bearing NU211-E-M1-H67C-J20B-C4

The FAG NU211-E-M1-H67C-J20B-C4 is a current-insulated cylindrical roller bearing with a 55mm bore and 100mm outer diameter, designed to prevent electrical damage. Its outer ring features a ceramic coating (J20B) for insulation, with a breakdown voltage of up to 500V.

This bearing handles dynamic loads up to 99 kN and operates smoothly at speeds up to 5800 RPM. The brass cage ensures durability, while the C4 radial clearance allows for thermal expansion in demanding conditions.

Ideal for electric motors or generators, it prevents current-induced wear. The coating maintains high resistance (50MΩ dry, 10MΩ damp), ensuring reliable performance.

Weighing 0.7kg, it’s RoHS and REACH compliant for safe industrial use. A practical choice for applications where electrical insulation is critical.

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Description

Features

Application

Q&A

Product Parameters

Model NU211-E-M1-H67C-J20B-C4
Product Category Current-Insulated Cylindrical Roller Bearing Single Row
Insulating Coating Types Outer ring ceramic coated
Coating Suffix J20B
Manufacturers FAG
Bore Diameter 55.0 mm
Outside Diameter 100.0 mm
Width 21.0 mm
Net Weight 0.7 kg
Basic Dynamic Load Rating 99 kN
Basic Static Load Rating 95 kN
Reference Speed 5800r/min
Breakdown Voltage (DC) ≤500v
Layer Thic kNess ≤100 um
Electrical Resistance 50MΩ (Dry); 10MΩ (Damp)
Cage Material M - Brass Cage
Radial Internal Clearance C4
ROHS Compliant
REACH Compliant

FAG Current-Insulated Single Row Cylindrical Roller Bearing NU211-E-M1-H67C-J20B-C4 dimension drawing

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Features

How Is NU211-E-M1-H67C-J20B-C4 Bearing Engineered for Reliability?

NU211-E-M1-H67C-J20B-C4 Bearing features an outer ring ceramic coating, providing excellent electrical insulation.
This design prevents current passage, reducing the risk of damage in electrical applications.

The brass cage ensures stable operation, even at high speeds up to 5,800 rpm.
With a basic dynamic load rating of 99 kN, it handles heavy radial loads with ease.

NU211-E-M1-H67C-J20B-C4 Bearing’s C4 radial clearance allows for thermal expansion in demanding conditions.
Its robust construction ensures long-term reliability in industrial environments.

Application

Industrial Uses of NU211-E-M1-H67C-J20B-C4 Bearing
NU211-E-M1-H67C-J20B-C4 Bearing is commonly used in electric motors and generators, where its current-insulating coating prevents electrical arcing. The brass cage ensures smooth operation even under high rotational speeds.

Where Is NU211-E-M1-H67C-J20B-C4 Bearing Used?
In wind turbines, NU211-E-M1-H67C-J20B-C4 Bearing handles radial loads efficiently while its ceramic coating protects against stray currents. The C4 clearance allows for thermal expansion in demanding environments.

Built for Heavy-Duty Use: NU211-E-M1-H67C-J20B-C4 Bearing
NU211-E-M1-H67C-J20B-C4 Bearing works well in industrial pumps, where its high dynamic load rating ensures longevity. The damp electrical resistance of 10MΩ makes it suitable for humid conditions.

Automotive vs Aerospace: Applications of NU211-E-M1-H67C-J20B-C4 Bearing
In automotive alternators, NU211-E-M1-H67C-J20B-C4 Bearing reduces electrical interference, while in aerospace, its lightweight design is beneficial. The 5800r/min reference speed suits high-performance needs.

Perfect Fit for Automation: NU211-E-M1-H67C-J20B-C4 Bearing
NU211-E-M1-H67C-J20B-C4 Bearing is ideal for robotic arms, where precision and electrical insulation are key. The 95 kN static load rating ensures reliability in repetitive motion applications.