FAG NJ2318 NJ2318-E-XL-M1A C4 Single Row NU Cylindrical Roller Bearing Brass Cage C4 Clearance 90x190x64mm For Reducer Motor

The NJ2318-E-XL-M1A-C4 single-row NU-type cylindrical roller bearing adopts reinforced E design, solid brass M1A cage and C4 enlarged internal clearance. Outer ring with two ribs, inner ring rib-free separable structure, allows axial displacement of shaft and bears heavy pure radial loads, ideal for high-speed heavy-load reducer and motor equipment.

Model:

NU2318-E-XL-M1A-C4

Inner Diameter (ID):

90mm

Outer Diameter (OD):

190mm

Width:

64mm

Structure:

Single row NU cylindrical roller bearing, separable inner & outer ring

Cage:

Solid brass M1A cage

Clearance Class:

C3 enlarged radial clearance

Design:

E reinforced roller structure, XL optimized load capacity

Material:

High carbon chromium bearing steel

Seal Type:

Open type

Basic Dynamic Load Cr:

500 KN

Basic Static Load C0r:

540 KN

Limiting Speed:

4500 r/min

Weight:

8.27g

• Separable inner/outer ring for convenient installation, disassembly and maintenance
• E reinforced roller structure greatly improves heavy radial load capacity
• Solid brass M1A cage stable under high speed and high temperature operation
• C4 enlarged clearance adapts high temperature expansion and heavy interference fit
• XL optimized internal structure reduces friction, lowers running heat
• Precision ground raceway and rollers ensure low vibration stable rotation
• Custom clearance, precision grade and cage materials are available

This bearing is widely used in:

• Industrial speed reducer and gearbox assemblies
• Medium-large drive motor rotary components
• Conveyor, crusher and heavy transmission machinery
• General heavy-load industrial rotary equipment with thermal expansion demand

• 25+ years experience in industrial cylindrical roller bearing manufacturing
• Exported to 50+ countries worldwide
• Rich experience in OEM special code custom bearing projects
• Strict dimension, hardness and dynamic load inspection before shipment
• Fast response within 24 hours
• Stable supply for long‑term cooperation

• Raw bearing steel incoming inspection
• Ultra-precision superfinishing for rollers and raceway
• Strict heat treatment hardness control
• Clearance grouping, rotation noise and durability testing
• Full dimension tolerance inspection before delivery

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• Fast quotation within 24 hours
• Professional engineer technical parameter support
• Custom specification & clearance solution suggestions
• Competitive factory wholesale price