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NTN AS207-104D1 is a standard-duty insert bearing with a 1-1/4 in bore, double sealed for contamination protection. The through hardened steel construction and set screw locking mechanism provide reliable mounting in pillow block or flange housings for conveyor and industrial machinery applications.
MODEL AS207-104D1
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$52.46 Each
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Brand Minimum Order Quantity: 2
Typically Ships in: 1 day
Returnable:No
Bearing Type
Insert bearing
Enclosure
Double sealed
Height
2.835
I.D.
1.25 in
Length
2.835
Locking Device
Set Screw
Material
Through hardened steel
O.D.
2.8346 in
Width
1.3386
Technical Specifications
Type | Insert Bearing |
Bore Type | Round |
Bearing Type | Ball Bearing |
Material | Through Hardened Steel |
Ball Material | Steel |
Limiting Speed - Grease | 4200 RPM |
Seal Type | Contact |
Seal Material | Nitrile Rubber |
Precision Rating | ISO Class 0 |
Performance | Standard Duty |
Locking Device | Set Screw |
Lubrication | Relubricatable |
Basic Outer Ring | 207 |
Static Load Rating | 3450 lbf15300 N15.30 kN |
Dynamic Load Rating | 5800 lbf25700 N25.70 kN |
Enclosure | Double Sealed |
Weight | 0.970 lb0.440 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1.25 in31.750 mm |
D | 2.8346 in72.000 mm |
C | 0.6693 in17.000 mm |
B | 1.3386 in34.000 mm |
r | 0.0591 in1.500 mm |
ds | 1/4-28 UNF |
G | 0.2362 in6.000 mm |
d4 | 1.8425 in46.800 mm |
S1 | 1.0039 in25.500 mm |
S | 0.3346 in8.500 mm |
F | 0.1147 in2.913 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.