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NTN MR5208EL cylindrical roller bearing with a 40 mm straight bore. Open design with a separable inner ring having one rib and an outer ring with two ribs. Composite steel cage for durability. Suitable for applications requiring axial expansion accommodation.
MODEL MR5208EL
$137.60 Each
Prices are subject to change
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Returnable:No
A (in)
1.9661
B (in)
1.5748
Bore Type
Round
Bore type
Round
Cage Material
Composite Steel
Cage material
Composite steel
Configuration
One
D (in)
3.1496
Dynamic Load Rating
21700 lbf
Dynamic load rating
21700 lbf
Enclosure
Open
F (in)
2.1039
H (in)
2.6150
Material
Hardened alloy steel
Oil Hole
w/o Oil Hole
Oil hole
w/o Oil Hole
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Outside Ring Type
Two ribbed outer ring
R (in)
0.0598
r (in)
0.0402
Radial Internal Clearance
CN
Radial internal clearance
CN
Static Load Rating
27400 lbf
Static load rating
27400 lbf
Tolerance
ISO class 0 (RBEC 1)
Type
Cylindrical Roller Bearing
U (Plain Rings)
1.8583 in
V (Rib Rings)
1.9606 in
W
1.1875 in
X (Plain Rings)
2.8701 in
Z (Rib Rings)
2.7402 in
Technical Specifications
Type | Cylindrical Roller Bearing |
|---|---|
Bore Type | Round |
Outside Ring Type | Two Ribbed Outer Ring |
Material | Hardened Alloy Steel |
Cage Material | Composite Steel |
Configuration | One |
Tolerance | ISO Class 0 (RBEC 1) |
Oil Hole | w/o Oil Hole |
Radial Internal Clearance | CN |
Static Load Rating | 27400 lbf122000 N122.00 kN |
Dynamic Load Rating | 21700 lbf96500 N96.50 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
B | 1.5748 in40.000 mm |
|---|---|
D | 3.1496 in80.000 mm |
W | 1.1875 in30.162 mm |
A | 1.9661 in49.940 mm |
F | 2.1039 in53.440 mm |
H | 2.6150 in66.420 mm |
R | 0.0598 in1.520 mm |
U (Plain Rings) | 1.8583 in47.200 mm |
V (Rib Rings) | 1.9606 in49.800 mm |
X (Plain Rings) | 2.8701 in72.900 mm |
Z (Rib Rings) | 2.7402 in69.600 mm |
r | 0.0402 in1.020 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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