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NTN NJ406 cylindrical roller bearing with a 30 mm straight bore. The NJ design features a single flange on the outer ring, providing axial location in one direction while allowing the inner ring to be separable. This bearing accommodates axial expansion and is suitable for gearboxes, electric motors, and pumps.
MODEL NJ406
$230.03 Each
Prices are subject to change
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Returnable:No
B (in)
0.9055
Bore Type
Round
Bore type
Round
Cage Material
Pressed Steel
Cage material
Pressed steel
Configuration
One
D (in)
3.5433
d (in)
1.1811
Da max
3.2283 in
da min
1.4961 in
Db max
3.2283 in
db min
1.4961 in
Db min
2.9134 in
Dynamic Load Rating
14100 lbf
Dynamic load rating
14100 lbf
Enclosure
Open
Fw
1.7717 in
I.D.
30 mm
J (in)
1.9882
Limiting Speed - Grease
7300 RPM
Limiting speed - grease
7300 RPM
Limiting Speed - Oil
8500 RPM
Limiting speed - oil
8500 RPM
Material
Hardened alloy steel
O.D.
90 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
r (in)
0.0591
r1as max
0.0591 in
Radial Internal Clearance
CN
Radial internal clearance
CN
Static Load Rating
12400 lbf
Static load rating
12400 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 | Pressed Steel |
Limiting Speed - Oil | 8500 RPM |
Limiting Speed - Grease | 7300 RPM |
Configuration | One |
Tolerance | ISO Class 0 (RBEC 1) |
Oil Hole | w/o Oil Hole |
Radial Internal Clearance | CN |
Static Load Rating | 12400 lbf55000 N55.00 kN |
Dynamic Load Rating | 14100 lbf62500 N62.50 kN |
Enclosure | Open |
Weight | 1.656 lb0.751 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1.1811 in30.000 mm |
D | 3.5433 in90.000 mm |
B | 0.9055 in23.000 mm |
Fw | 1.7717 in45.000 mm |
J | 1.9882 in50.500 mm |
r | 0.0591 in1.500 mm |
da min | 1.4961 in38.000 mm |
db min | 1.4961 in38.000 mm |
Da max | 3.2283 in82.000 mm |
Db max | 3.2283 in82.000 mm |
Db min | 2.9134 in74.000 mm |
r1as max | 0.0591 in1.500 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.
| Brand | Champion |
| Model | 712CO-27/32 |
| Brand | Wiegmann |
| Model | RSC363616NKSS |
