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NTN 7010CDB/GNP5 duplex angular contact ball bearing with 50 mm straight bore, back-to-back arrangement, open enclosure, and nylon cage. High carbon chrome steel construction for precision applications requiring high axial rigidity and moment load capacity.
MODEL 7010CDB/GNP5
$619.13 Each
Prices are subject to change
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2B
1.2598 in
B (in)
0.6299
Ball Material
Steel
Ball material
Steel
Bore Type
Round
Bore type
Round
Cage Material
Nylon
Cage material
Nylon
Cage Type
Fiber Glass Reinforced
Cage type
Fiber glass reinforced
Configuration
Two
Contact angle
15 º
d (in)
1.9685
D (in)
3.1496
D1
2.7441 in
d1
2.3740 in
d2
2.2835 in
D2
2.9291 in
Da max
2.9331 in
da min
2.1850 in
Db max
2.9724 in
Enclosure
Open
I.D.
50 mm
Limiting Speed - Grease
14400 RPM
Limiting speed - grease
14400 RPM
Limiting Speed - Oil
23040 RPM
Limiting speed - oil
23040 RPM
Material
High carbon chrome steel
O.D.
80 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO Class 5
Preload
Normal
r (in)
0.0394
r1
0.0236 in
r1as max
0.0236 in
ras max
0.0394 in
Type
Angular Contact Ball Bearing
Technical Specifications
Type | Angular Contact Ball Bearing |
Bore Type | Round |
Material | High Carbon Chrome Steel |
Cage Type | Fiber Glass Reinforced |
Cage Material | Nylon |
Ball Material | Steel |
Limiting Speed - Oil | 23040 RPM |
Limiting Speed - Grease | 14400 RPM |
Precision | ISO Class 5 |
Configuration | Two |
Preload | Normal |
Enclosure | Open |
Weight | 1.124 lb0.510 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1.9685 in50.000 mm |
D | 3.1496 in80.000 mm |
B | 0.6299 in16.000 mm |
2B | 1.2598 in32.000 mm |
d1 | 2.3740 in60.300 mm |
d2 | 2.2835 in58.000 mm |
D1 | 2.7441 in69.700 mm |
D2 | 2.9291 in74.400 mm |
r | 0.0394 in1.000 mm |
r1 | 0.0236 in0.600 mm |
Contact Angle | 15 |
da min | 2.1850 in55.500 mm |
Da max | 2.9331 in74.500 mm |
Db max | 2.9724 in75.500 mm |
ras max | 0.0394 in1.000 mm |
r1as max | 0.0236 in0.600 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.
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