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NTN NU316EG1C3 is a single-row cylindrical roller bearing with an 80 mm straight bore. The NU design features no flanges on the outer ring, making it separable and capable of accommodating axial expansion. It is equipped with a high-strength machined brass cage and C3 clearance for applications requiring thermal expansion accommodation.
MODEL NU316EG1C3
$667.25 Each
Prices are subject to change
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Returnable:No
B (in)
1.5354
Bore Type
Round
Bore type
Round
Cage Material
High Strength Machined Brass Rivetless w/ square holes
Cage material
High strength machined brass rivetless w/ square holes
Configuration
One
d (in)
3.1496
D (in)
6.6929
Da max
6.2598 in
da min
3.5827 in
Dynamic Load Rating
57500 lbf
Dynamic load rating
57500 lbf
Enclosure
Open
Fw
3.9764 in
I.D.
80 mm
Limiting Speed - Grease
3700 RPM
Limiting speed - grease
3700 RPM
Limiting Speed - Oil
4400 RPM
Limiting speed - oil
4400 RPM
Material
Hardened alloy steel
O.D.
170 mm
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
Precision
ISO class 0
r (in)
0.0787
r1as max
0.0787 in
Radial Internal Clearance
C3
Radial internal clearance
C3
Static Load Rating
63500 lbf
Static load rating
63500 lbf
Tolerance
ISO class 0 (RBEC 1)
Type
Cylindrical Roller Bearing
Technical Specifications
Type | Cylindrical Roller Bearing |
Bore Type | Round |
Material | Hardened Alloy Steel |
Cage Material | High Strength Machined Brass Rivetless w/ square holes |
Limiting Speed - Oil | 4400 RPM |
Limiting Speed - Grease | 3700 RPM |
Precision | ISO Class 0 |
Configuration | One |
Tolerance | ISO Class 0 (RBEC 1) |
Oil Hole | w/o Oil Hole |
Radial Internal Clearance | C3 |
Static Load Rating | 63500 lbf282000 N282.00 kN |
Dynamic Load Rating | 57500 lbf256000 N256.00 kN |
Enclosure | Open |
Weight | 9.171 lb4.160 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 3.1496 in80.000 mm |
D | 6.6929 in170.000 mm |
B | 1.5354 in39.000 mm |
Fw | 3.9764 in101.000 mm |
r | 0.0787 in2.000 mm |
da min | 3.5827 in91.000 mm |
Da max | 6.2598 in159.000 mm |
r1as max | 0.0787 in2.000 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.