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NTN 7834CDB/GLP5 duplex angular contact ball bearing with back-to-back arrangement, 170 mm straight bore, open design, and brass cage. Constructed from high carbon chrome steel for high-precision applications requiring axial rigidity in both directions.
MODEL 7834CDB/GLP5
$2,304.91 Each
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2B
1.7323 in
B (in)
0.8661
Ball Material
Steel
Ball material
Steel
Bore Type
Round
Bore type
Round
Cage Material
Brass
Cage material
Brass
Cage Type
High Strength, 2 piece, Machined
Cage type
High strength, 2 piece, machined
Configuration
Two
Contact angle
15 º
d (in)
6.6929
D (in)
8.4646
Da max
8.1890 in
da min
6.9685 in
Db max
8.2874 in
Dynamic Load Rating
27700 lbf
Dynamic load rating
27700 lbf
Enclosure
Open
I.D.
170 mm
Limiting Speed - Grease
3300 RPM
Limiting speed - grease
3300 RPM
Limiting Speed - Oil
4400 RPM
Limiting speed - oil
4400 RPM
Material
High carbon chrome steel
O.D.
215 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO Class 5
Preload
Light
r (in)
0.0433
r1
0.0236 in
r1as max
0.0236 in
ras max
0.0394 in
Static Load Rating
46000 lbf
Static load rating
46000 lbf
Type
Angular Contact Ball Bearing
Technical Specifications
Type | Angular Contact Ball Bearing |
|---|---|
Bore Type | Round |
Material | High Carbon Chrome Steel |
Cage Type | High Strength, 2 piece, Machined |
Cage Material | Brass |
Ball Material | Steel |
Limiting Speed - Oil | 4400 RPM |
Limiting Speed - Grease | 3300 RPM |
Precision | ISO Class 5 |
Configuration | Two |
Preload | Light |
Static Load Rating | 46000 lbf204000 N204.00 kN |
Dynamic Load Rating | 27700 lbf123000 N123.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 6.6929 in170.000 mm |
|---|---|
D | 8.4646 in215.000 mm |
B | 0.8661 in22.000 mm |
2B | 1.7323 in44.000 mm |
r | 0.0433 in1.100 mm |
r1 | 0.0236 in0.600 mm |
Contact Angle | 15 |
da min | 6.9685 in177.000 mm |
Da max | 8.1890 in208.000 mm |
Db max | 8.2874 in210.500 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.
| Brand | Bestorq |
| Model | 9/3VK1320 |
| Brand | Harwal |
| Model | 08 x 12 x 03AOV |
