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NTN HTA922ADB/G016P4L is a duplex angular contact ball bearing with a 110 mm straight bore. It features an open enclosure, phenolic cage, and P4 precision class. Constructed from high carbon chrome steel, this main spindle bearing is designed for high-speed machine tool applications requiring axial load capacity.
MODEL HTA922ADB/G016P4L
$3,157.34 Each
Prices are subject to change
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Returnable:No
2a
3.6772 in
2B
1.4173 in
B (in)
0.7087
Ball Material
Steel
Ball material
Steel
Bore Type
Round
Bore type
Round
Cage Material
Phenolic
Cage material
Phenolic
Cage Type
Machined
Cage type
Machined
Configuration
Two
Contact angle
30 º
D (in)
5.9055
d (in)
4.3307
d1
4.9331 in
D2
5.4724 in
da min
4.7244 in
Db max
5.6693 in
Dynamic Load Rating
9350 lbf
Dynamic load rating
9350 lbf
Enclosure
Open
I.D.
110 mm
Limiting Speed - Grease
7700 RPM
Limiting speed - grease
7700 RPM
Limiting Speed - Oil
9600 RPM
Limiting speed - oil
9600 RPM
Material
High carbon chrome steel
O.D.
150 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 4
Preload
Special preload
r (in)
0.0433
r1
0.0236 in
r1as max
0.0236 in
ras max
0.0394 in
Static Load Rating
26500 lbf
Static load rating
26500 lbf
Type
Main Spindle Bearing
Technical Specifications
Type | Main Spindle Bearing |
|---|---|
Bore Type | Round |
Material | High Carbon Chrome Steel |
Cage Type | Machined |
Cage Material | Phenolic |
Ball Material | Steel |
Limiting Speed - Oil | 9600 RPM |
Limiting Speed - Grease | 7700 RPM |
Precision | ISO Class 4 |
Configuration | Two |
Preload | Special Preload |
Static Load Rating | 26500 lbf118000 N118.00 kN |
Dynamic Load Rating | 9350 lbf41500 N41.50 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 4.3307 in110.000 mm |
|---|---|
D | 5.9055 in150.000 mm |
B | 0.7087 in18.000 mm |
2B | 1.4173 in36.000 mm |
d1 | 4.9331 in125.300 mm |
D2 | 5.4724 in139.000 mm |
r | 0.0433 in1.100 mm |
r1 | 0.0236 in0.600 mm |
Contact Angle | 30 |
2a | 3.6772 in93.400 mm |
da min | 4.7244 in120.000 mm |
Db max | 5.6693 in144.000 mm |
ras max | 0.0394 in1.000 mm |
r1as max | 0.0236 in0.600 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.
| Brand | Marathon Electric |
| Model | 326THFCD8086 |
