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NTN HTA016ADB/GNP4L is a duplex angular contact ball bearing with an 80 mm straight bore, open enclosure, and phenolic cage. Designed for main spindle applications, this high-precision bearing handles axial loads in machine tool spindles.
MODEL HTA016ADB/GNP4L
$3,094.32 Each
Prices are subject to change
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Returnable:No
2a
3.1417 in
2B
1.5945 in
B (in)
0.7972
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)
3.1496
D (in)
4.9213
d1
3.8346 in
D2
4.4291 in
da min
3.5433 in
Db max
4.6850 in
Dynamic Load Rating
9550 lbf
Dynamic load rating
9550 lbf
Enclosure
Open
I.D.
80 mm
Limiting Speed - Grease
9800 RPM
Limiting speed - grease
9800 RPM
Limiting Speed - Oil
12200 RPM
Limiting speed - oil
12200 RPM
Material
High carbon chrome steel
O.D.
125 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 4
Preload
Normal
r (in)
0.0433
r1
0.0236 in
r1as max
0.0236 in
ras max
0.0394 in
Static Load Rating
23600 lbf
Static load rating
23600 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 | 12200 RPM |
Limiting Speed - Grease | 9800 RPM |
Precision | ISO Class 4 |
Configuration | Two |
Preload | Normal |
Static Load Rating | 23600 lbf105000 N105.00 kN |
Dynamic Load Rating | 9550 lbf42500 N42.50 kN |
Enclosure | Open |
Weight | 3.763 lb1.707 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 3.1496 in80.000 mm |
D | 4.9213 in125.000 mm |
B | 0.7972 in20.250 mm |
2B | 1.5945 in40.500 mm |
d1 | 3.8346 in97.400 mm |
D2 | 4.4291 in112.500 mm |
r | 0.0433 in1.100 mm |
r1 | 0.0236 in0.600 mm |
Contact Angle | 30 |
2a | 3.1417 in79.800 mm |
da min | 3.5433 in90.000 mm |
Db max | 4.6850 in119.000 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 | Allen Bradley |
| Model | 20DD034A0NYNACNNN |
| Brand | Allen Bradley |
| Model | 20AD011A0NYNABC0 |
