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NTN MR1310EX cylindrical roller bearing with a 50 mm straight bore. Features a separable inner ring with one rib and an outer ring with two ribs, allowing axial displacement in one direction. Suitable for applications requiring high radial load capacity and moderate axial location.
MODEL MR1310EX
$203.33 Each
Prices are subject to change
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Returnable:No
A (in)
2.5650
B (in)
1.9685
Bore Type
Round
Bore type
Round
Cage Material
X Bar Composite Steel
Cage material
X bar composite steel
Configuration
One
D (in)
4.3307
Dynamic Load Rating
27200 lbf
Dynamic load rating
27200 lbf
Enclosure
Open
F (in)
2.7811
H (in)
3.5181
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
r (in)
0.0799
R (in)
0.0799
Radial Internal Clearance
CN
Radial internal clearance
CN
Static Load Rating
30500 lbf
Static load rating
30500 lbf
Tolerance
ISO class 0 (RBEC 1)
Type
Cylindrical Roller Bearing
U (Plain Rings)
2.4016 in
V (Rib Rings)
2.5591 in
W
1.0630 in
Width
1.063
X (Plain Rings)
3.9016 in
Z (Rib Rings)
3.7205 in
Technical Specifications
Type | Cylindrical Roller Bearing |
Bore Type | Round |
Material | Hardened Alloy Steel |
Cage Material | X Bar Composite Steel |
Configuration | One |
Tolerance | ISO Class 0 (RBEC 1) |
Oil Hole | w/o Oil Hole |
Radial Internal Clearance | CN |
Static Load Rating | 30500 lbf135000 N135.00 kN |
Dynamic Load Rating | 27200 lbf121000 N121.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
B | 1.9685 in50.000 mm |
D | 4.3307 in110.000 mm |
W | 1.0630 in27.000 mm |
A | 2.5650 in65.150 mm |
F | 2.7811 in70.640 mm |
H | 3.5181 in89.360 mm |
R | 0.0799 in2.030 mm |
U (Plain Rings) | 2.4016 in61.000 mm |
V (Rib Rings) | 2.5591 in65.000 mm |
X (Plain Rings) | 3.9016 in99.100 mm |
Z (Rib Rings) | 3.7205 in94.500 mm |
r | 0.0799 in2.030 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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