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NTN AL208-109D1 is a bearing insert with a spherical outer diameter, designed for mounted housing units. It features a 1-9/16 inch bore, double sealed enclosure, and set screw locking. The through hardened steel construction provides durability for industrial conveyor and machinery applications.
MODEL AL208-109D1
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$64.33 Each
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Brand Minimum Order Quantity: 2
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Returnable:No
Axial Static Load Rating
4002 lbf
Axial static load rating
4002 lbf
B (in)
1.1890
B1
1.7205 in
Ball Material
Through Hardened Steel
Ball material
Through hardened steel
Basic Outer Ring
208
Bearing Type
Ball Bearing
Bore Type
Cylindrical
Bore type
Cylindrical
C (in)
1.1890
Configuration
One
D (in)
3.1500
d (in)
1-9/16
Dynamic Load Rating
6542 lbf
Dynamic load rating
6542 lbf
Enclosure
Full Contact Seal - Both Sides
Height
3.15
Housing Width
0 in
Housing width
0 in
I.D.
1.5626 in
Length
3.15
Limiting Speed - Grease
3700 RPM
Limiting speed - grease
3700 RPM
Locking device
None
Lubrication
Relubricatable
Material
Through hardened steel
Number of Holes
0
Number of holes
0
O.D.
3.1496 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Outside Ring Type
Spherical OD
Performance
Standard Duty
r (in)
0.0591
Radial Dynamic Load Rating
6542 lbf
Radial Internal Clearance
CN
Radial internal clearance
CN
S
0.4331 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Static Load Rating
4002 lbf
Static load rating
4002 lbf
Total Length
0.0000 in
Total length
0.0000 in
Type
Insert Bearing
Technical Specifications
Type | Insert Bearing |
|---|---|
Bore Type | Round |
Bearing Type | Ball Bearing |
Material | Through Hardened Steel |
Ball Material | Steel |
Limiting Speed - Grease | 3700 RPM |
Seal Type | Contact |
Seal Material | Nitrile Rubber |
Performance | Standard Duty |
Configuration | One |
Locking Device | None |
Lubrication | Relubricatable |
Basic Outer Ring | 208 |
Radial Internal Clearance | CN |
Static Load Rating | 4000 lbf17800 N17.80 kN |
Dynamic Load Rating | 6550 lbf29100 N29.10 kN |
Enclosure | Double Sealed |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1.5626 in39.690 mm |
|---|---|
D | 3.1496 in80.000 mm |
C | 0.7087 in18.000 mm |
B | 1.1890 in30.200 mm |
B1 | 1.7205 in43.700 mm |
r | 0.0591 in1.500 mm |
S | 0.4331 in11.000 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.
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