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NTN BST25X62-1BP4 is a single angular contact thrust ball bearing designed for ball screw support. It features a 25 mm bore, open design, and P4 precision class. This bearing accommodates high axial loads in machine tool applications.
MODEL BST25X62-1BP4
$342.63 Each
Prices are subject to change
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Returnable:No
B (in)
0.5906
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
One
Contact angle
60 º
d (in)
0.9843
D (in)
2.4409
d1
1.7480 in
D1
2.0315 in
D2
2.1929 in
d2
1.5827 in
Dynamic Load Rating
6550 lbf
Dynamic load rating
6550 lbf
Enclosure
Open
I.D.
25 mm
Material
High carbon chrome steel
O.D.
62 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 4
Preload
Heavy
r (in)
0.0394
r1
0.0236 in
Seal material
None
Seal type
None
Space Capacity (Single Row)
0.1811 in³
Static Load Rating
13300 lbf
Static load rating
13300 lbf
Type
Angular Contact Thrust Ball Bearing for Ball Screws
Technical Specifications
Type | Angular Contact Thrust Ball Bearing for Ball Screws |
|---|---|
Bore Type | Round |
Material | High Carbon Chrome Steel |
Cage Type | Fiber Glass Reinforced |
Cage Material | Nylon |
Ball Material | Steel |
Space Capacity (Single Row) | 4.600 cm³0.1811 in³ |
Seal Type | None |
Seal Material | None |
Precision | ISO Class 4 |
Configuration | One |
Preload | Heavy |
Static Load Rating | 13300 lbf59000 N59.00 kN |
Dynamic Load Rating | 6550 lbf29200 N29.20 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 0.9843 in25.000 mm |
|---|---|
D | 2.4409 in62.000 mm |
B | 0.5906 in15.000 mm |
d1 | 1.7480 in44.400 mm |
d2 | 1.5827 in40.200 mm |
D1 | 2.0315 in51.600 mm |
D2 | 2.1929 in55.700 mm |
r | 0.0394 in1.000 mm |
r1 | 0.0236 in0.600 mm |
Contact Angle | 60 |
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.
#1495659
Brand
Koyo Bearing
Model
SAC2562BG
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