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NTN AELS206-104N is a narrow inner-ring bearing insert with eccentric collar locking and a 30 mm bore. It features a cylindrical outer diameter with snap ring groove and double-sealed through hardened steel construction. Designed for use in conveyor systems and light industrial machinery where compact mounting is required.
MODEL AELS206-104N
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Brand Minimum Order Quantity: 2
Typically Ships in: 1 day
Returnable:No
a (in)
0.1252
Axial Static Load Rating
2540 lbf
Axial static load rating
2540 lbf
B (in)
1.4060
b (in)
0.0807
B1
1.4055 in
B5
0.6260 in
Ball Material
Through Hardened Steel
Ball material
Through hardened steel
Basic Outer Ring
206
Bearing Type
Ball Bearing
Bore Type
Cylindrical
Bore type
Cylindrical
C (in)
1.4060
Collar Number
EL206-104
D (in)
2.4410
d (in)
1.2500
D1
2.3465 in
d3
1.7520 in
DS
5/16-24 UNF
Dynamic Load Rating
4384 lbf
Dynamic load rating
4384 lbf
Enclosure
Full Contact Seal - Both Sides
G (in)
0.2362
Height
2.441
Housing Width
0 in
Housing width
0 in
I.D.
1.25 in
Length
2.441
Limiting Speed - Grease
4850 RPM
Limiting speed - grease
4850 RPM
Locking Device
Eccentric Locking Collar
Locking device
Eccentric locking collar
Locking Device Part Number
EL206-104
Lubrication
Non-relubricatable
Material
Through hardened steel
Number of Holes
0
Number of holes
0
O.D.
2.4409 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Outside Ring Type
Cylindrical OD
Performance
Standard Duty
r (in)
0.0394
r1
0.0236 in
Radial Dynamic Load Rating
4384 lbf
Radial Internal Clearance
CN
Radial internal clearance
CN
S
0.3543 in
S1
1.0512 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Static Load Rating
2540 lbf
Static load rating
2540 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 | 4900 RPM |
Seal Type | Contact |
Seal Material | Nitrile Rubber |
Performance | Standard Duty |
Locking Device | Eccentric Locking Collar |
Locking Device Part Number | EL206-104 |
Lubrication | Non-Relubricatable |
Collar Number | EL206-104 |
Basic Outer Ring | 206 |
Radial Internal Clearance | CN |
Static Load Rating | 2540 lbf11300 N11.30 kN |
Dynamic Load Rating | 4400 lbf19500 N19.50 kN |
Enclosure | Double Sealed |
Weight | 0.143 lb0.315 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1.2500 in31.750 mm |
D | 2.4409 in62.000 mm |
C | 0.6299 in16.000 mm |
B | 0.9370 in23.800 mm |
B1 | 1.4055 in35.700 mm |
r | 0.0394 in1.000 mm |
ds | 5/16-24 UNF |
G | 0.2362 in6.000 mm |
d3 | 1.7520 in44.500 mm |
B5 | 0.6260 in15.900 mm |
S1 | 1.0512 in26.700 mm |
S | 0.3543 in9.000 mm |
r1 | 0.0236 in0.600 mm |
b | 0.0807 in2.050 mm |
a | 0.1252 in3.180 mm |
D1 | 2.3465 in59.600 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.
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