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NTN HTA026AT2DB/GNP4L is a duplex angular contact ball bearing with a 30 mm straight bore, open enclosure, and nylon cage. Designed for main spindle applications, this high-carbon chrome steel bearing offers P4 precision class and is preloaded for axial load capacity.
MODEL HTA026AT2DB/GNP4L
$2,921.46 Each
Prices are subject to change
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Returnable:No
2a
5.0118 in
2B
2.4803 in
B (in)
1.2402
Ball Material
Steel
Ball material
Steel
Bore Type
Round
Bore type
Round
Cage Material
Nylon
Cage material
Nylon
Cage Type
Fiber Glass Reinforced
Cage type
Fiber glass reinforced
Configuration
Two
Contact angle
30 º
D (in)
7.8740
d (in)
5.1181
d1
6.1575 in
D2
7.1535 in
da min
5.6693 in
Db max
7.5787 in
Dynamic Load Rating
24300 lbf
Dynamic load rating
24300 lbf
Enclosure
Open
Limiting Speed - Grease
6100 RPM
Limiting speed - grease
6100 RPM
Limiting Speed - Oil
7600 RPM
Limiting speed - oil
7600 RPM
Material
High carbon chrome steel
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 4
Preload
Normal
r (in)
0.0787
r1
0.0394 in
r1as max
0.0394 in
ras max
0.0787 in
Static Load Rating
66000 lbf
Static load rating
66000 lbf
Type
Main Spindle Bearing
Technical Specifications
Type | Main Spindle Bearing |
Bore Type | Round |
Material | High Carbon Chrome Steel |
Cage Type | Fiber Glass Reinforced |
Cage Material | Nylon |
Ball Material | Steel |
Limiting Speed - Oil | 7600 RPM |
Limiting Speed - Grease | 6100 RPM |
Precision | ISO Class 4 |
Configuration | Two |
Preload | Normal |
Static Load Rating | 66000 lbf293000 N293.00 kN |
Dynamic Load Rating | 24300 lbf108000 N108.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 5.1181 in130.000 mm |
D | 7.8740 in200.000 mm |
B | 1.2402 in31.500 mm |
2B | 2.4803 in63.000 mm |
d1 | 6.1575 in156.400 mm |
D2 | 7.1535 in181.700 mm |
r | 0.0787 in2.000 mm |
r1 | 0.0394 in1.000 mm |
Contact Angle | 30 |
2a | 5.0118 in127.300 mm |
da min | 5.6693 in144.000 mm |
Db max | 7.5787 in192.500 mm |
ras max | 0.0787 in2.000 mm |
r1as max | 0.0394 in1.000 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.
| Brand | MROSupply Fasteners |
| Model | FSTPCK-332055 |
| Brand | MROSupply Fasteners |
| Model | FSTPCK-643834 |