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NTN MLECH7008CVDUJ74S is a duplex hybrid angular contact ball bearing with a 40 mm straight bore. Features double sealed enclosure and phenolic cage. Constructed with high carbon chrome steel balls and rings for high precision applications.
MODEL MLECH7008CVDUJ74S
$1,688.99 Each
Prices are subject to change
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Returnable:No
2B
1.1811 in
B (in)
0.5906
Ball Material
Ceramic
Ball material
Ceramic
Bore Type
Round
Bore type
Round
Cage Material
Phenolic
Cage material
Phenolic
Cage Type
Stratified
Cage type
Stratified
Configuration
Two
Contact angle
17 º
D (in)
2.6772
d (in)
1.5748
D1
2.2638 in
d2
1.8701 in
d3
1.9370 in
D4
2.3465 in
Enclosure
Double Sealed
I.D.
40 mm
Material
High carbon chrome steel
O.D.
68 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 4
r2 max
0.0394 in
r3 max
0.0118 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Non-Contact
Seal type
Non-Contact
Type
Hybrid Angular Contact Ball Bearing
Technical Specifications
| Type | Hybrid Angular Contact Ball Bearing |
|---|---|
| Bore Type | Round |
| Material | High Carbon Chrome Steel |
| Cage Type | Stratified |
| Cage Material | Phenolic |
| Ball Material | Ceramic |
| Seal Type | Non-Contact |
| Seal Material | Nitrile Rubber |
| Precision | ISO Class 4 |
| Configuration | Two |
| Enclosure | Double Sealed |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
| d | 1.5748 in40.000 mm |
|---|---|
| D | 2.6772 in68.000 mm |
| B | 0.5906 in15.000 mm |
| 2B | 1.1811 in30.000 mm |
| r2 max | 0.0394 in1.000 mm |
| r3 max | 0.0118 in0.300 mm |
| Contact Angle | 17 |
| d2 | 1.8701 in47.500 mm |
| d3 | 1.9370 in49.200 mm |
| D1 | 2.2638 in57.500 mm |
| D4 | 2.3465 in59.600 mm |
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
What is the difference between deep groove and angular contact ball bearings?
Deep groove ball bearings are the most common type. They’re designed to handle mainly radial loads, but they can also take some axial load in both directions. They’re simple, versatile, and used in everything from motors to conveyors. Angular contact ball bearings are built for combined loads, especially where there’s significant axial force in one direction. They’re often used in pairs and are common in higher precision or higher load applications like pumps and gearboxes. If your load is mostly radial, go deep groove. If axial load matters more, angular contact is usually the better choice.
| Brand | Contrinex Sensors |
| Model | LTR-D04MA-NSS-403 |
