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NTN ML71907CVDUJ74S is a high-speed duplex angular contact ball bearing with a 35 mm bore. It features a universal flush ground design for paired mounting, a phenolic cage, and open enclosure. Constructed from high carbon chrome steel, it is suitable for precision spindle and machine tool applications.
MODEL ML71907CVDUJ74S
$801.49 Each
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2B
0.7874 in
B (in)
0.3937
Ball Material
Steel
Ball material
Steel
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)
1.3780
D (in)
2.1654
D1
1.8543 in
d2
1.6299 in
d3
1.6063 in
D4
1.8976 in
D5
1.6811 in
E (in)
0.0748
Enclosure
Open
I.D.
35 mm
Material
High carbon chrome steel
O.D.
55 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 4
Preload
Light
r2 max
0.0236 in
r3 max
0.0079 in
Type
Angular Contact Ball Bearing
Technical Specifications
Type | Angular Contact Ball Bearing |
Bore Type | Round |
Material | High Carbon Chrome Steel |
Cage Type | Stratified |
Cage Material | Phenolic |
Ball Material | Steel |
Precision | ISO Class 4 |
Configuration | Two |
Preload | Light |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1.3780 in35.000 mm |
D | 2.1654 in55.000 mm |
B | 0.3937 in10.000 mm |
2B | 0.7874 in20.000 mm |
r2 max | 0.0236 in0.600 mm |
r3 max | 0.0079 in0.200 mm |
Contact Angle | 17 |
d2 | 1.6299 in41.400 mm |
d3 | 1.6063 in40.800 mm |
D1 | 1.8543 in47.100 mm |
D4 | 1.8976 in48.200 mm |
D5 | 1.6811 in42.700 mm |
E | 0.0748 in1.900 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 | Jason Industrial |
| Model | D110XL031 |
