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Insulated Bearings NU1015 M/C3VL0241

NU1015 MC3VL0241

-- Dimension: 75*115*20mm
-- Weight: 0.75kg
-- Type: Cylindrical roller bearings,Single Row
-- Feature: Outer ring with Ceramic coating design
-- C3: Internal clearance greater than Normal
-- M: Brass cage,
-- VL0241: Aluminium oxide coated external surfaces of outer ring
Availability:
  • NU1015 MC3VL0241
  • EASIER / TKW
  • NU1015 ECM
  • NU1015 Electrically insulated bearings
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NU1015 MC3VL0241

-- Dimension: 75*115*20mm

-- Weight: 0.75kg

-- Type: Cylindrical roller bearings,Single Row

-- Feature: Outer ring with Ceramic coating design

-- C3: Internal clearance greater than Normal

-- M: Brass cage,  
-- VL0241: Aluminium oxide coated external surfaces of outer ring


World TOP QUALITY NU1015 M/C3VL0241 Ceramic Coated Bearings

Dimensions - NU 1011 ECP/C3VL0241
d
75 mm
Bore diameter
D
115 mm
Outside diameter
B
20 mm
Width
D1
≈101 mm
Shoulder diameter outer ring
F
85 mm
Raceway diameter inner ring
s
max.3mm
Permissible axial displacement from the normal position of one bearing ring relative to the other
r1,2
min.1.1mm
Chamfer dimension
r3,4
min.1 mm
Chamfer dimension


Electrically Insulated Bearings NU 1015 M/C3VL0241 are one kind of Electrically Insulated Cylindrical roller bearing design. NU 1015 M/C3VL0241 also called Caramic Coated Bearings and FAG Current Insulated Bearings,  The material are adopt high quality chrome steel, this design are separable. the bearing ring with the rollers and cage assembly can be separated from the other ring, single row cylindrical roller bearings not only NU series design, but also N, NJ, NUP design,  this kind of bearing can accommodate axial displacement of the shaft relative to the housing in both directions. 


Designation Principal dimensions Basic load ratings Fatique load limit Speed ratings Weight
Cylindrical roller bearings mm mm mm dynamic static
Reference speed Limiting speed kg

d D B C[kN] C0[kN]
[r/min] [r/min]
NU 1014 ECM/C3VL0241 70 110 20 76.5 93 12 7000 7000 0.7
NU 1014 ECP/C3VL0241 70 110 20 76.5 93 12 7000 7000 0.7
NU 214 ECM/C3VL0241 70 125 24 137 137 18 6000 6300 1.4
NU 314 ECM/C3VL0241 70 150 35 236 228 29 4800 5600 3.2
NU 1015 M/C3VL0241 75 115 20 58.3 71 8.5 6700 6700 0.75
NU 215 ECM/C3VL0241 75 130 25 150 156 20.4 5600 6000 1.5
NU 315 ECM/C3VL0241 75 160 37 280 265 33.5 4500 5300 4
NU 315 ECP/VL0241 75 160 37 280 265 33.5 4500 5300 4


Insulated Cylindrical roller bearing NU1015 M/C3VL0241 is one kind of Current Insulated bearings, it consist of Inner Ring with Coated, or outer ring with coating, brass or nylon, Brass cage and steel rollers, the cylindrical roller and raceway of the rings are line contact, so cylindrical roller bearings are the same with spherical roller bearing, tapered roller bearing, thrust roller bearing and the other kinds of roller bearings, they all have larger load capacity than ball bearings, cylindrical roller bearing mainly carry radial load, Small friction between the rollers and the ribs of the rings make the cylindrical roller bearings are suitable for the application which are high speed rotation.  


Principle bearing types for traction motor applications

• cylindrical roller bearings

• electrically insulated cylindrical roller bearings

• electrically insulated deep groove ball bearings

• hybrid cylindrical roller bearings with ceramic rollers

• hybrid deep groove ball bearings with ceramic balls

• traction motor bearing units based on cylindrical roller bearings and

deep groove ball bearings

• Sensorised traction motor bearing unit

• Regreasable traction motor bearing unit



Development of concept of insulated bearing


Product Features of NU 1015 M/C3VL0241 Insulated Bearings

1. High insulation properties

To prevent electric corrosion in bearings, a highly productive aluminum ceramic coating material is used to coat the outer ring, and by combining optimized additives, insulation performance is improved by about tenfold.

2. Improved durability

· Optimizing bearing elements improves film impact resistance by a factor of 3x.

· Optimized ceramic coating materials makes for excellent heat dissipation.


-- High-quality coating

A plasma spray technique is used to apply the aluminum oxide layer. Sophisticated pre- and post- application processes result in an outstanding coating quality.


-- Protective sealant

Insulated bearings are treated with a unique sealant to guard against humidity penetrating the coating and reducing its effectiveness.


-- Optimized solutions

TKW can supply values for relevant electric parameters for the bearings (capacitance, impedance) to optimize the insulating solution for any application.

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