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Bearings
Ball Bearings
Hex-Bore Ball Bearings

Hex-Bore Ball Bearings

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1291N1

$31.30 $48.15
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1291N2

$40.30 $62.00
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1291N3

$47.57 $73.18
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1291N4

$55.12 $84.80
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1291N5

$72.40 $111.38

FilterClear All

For Housing ID

1 27/32"
2 3/64"
2 53/64"
2 7/16"
3 11/32"

Width

3/4"
5/8"
19/32"
35/64"
43/64"

Maximum Rotation Speed

3,500 rpm
4,000 rpm
4,800 rpm
5,900 rpm
6,000 rpm

Lubrication

Lubricated
Not Required

Bearing Trade Number

HPC011GP
HPC014GP
HPC100GP
HPS102GP
HPS108GR

OD

1.8504"
2.0472"
2.4409"
2.8346"
3.3465"

OD Tolerance

-0.0004" to 0"
-0.0005" to 0"
-0.0006" to 0"

Radial Clearance

0.0005" to 0.0011"
0.0009" to 0.0016"
0.0012" to 0.002"
0.0013" to 0.002"

Radial Clearance Trade Number

C3
C4

Dynamic Radial Load Capacity

2,850 lb.
3,150 lb.
4,400 lb.
5,800 lb.
7,300 lb.

Static Radial Load Capacity

1,500 lb.
1,750 lb.
2,500 lb.
3,450 lb.
4,600 lb.

For Shaft Width

1 1/2"
1 1/8"
1"
11/16"
7/8"

Inner Ring Width

0.827"
0.945"
1"
1.181"
1.484"

Inner Ring OD

1.166"
1.245"
1.501"
1.608"
1.76"

Hex Width

0.695"
0.876"
1.001"
1.126"
1.501"

FilterClear All

For Housing ID
- 1 27/32"
- 2 3/64"
- 2 53/64"
- 2 7/16"
- 3 11/32"
Width
- 3/4"
- 5/8"
- 19/32"
- 35/64"
- 43/64"
Maximum Rotation Speed
- 3,500 rpm
- 4,000 rpm
- 4,800 rpm
- 5,900 rpm
- 6,000 rpm
Lubrication
- Lubricated
- Not Required
Bearing Trade Number
- HPC011GP
- HPC014GP
- HPC100GP
- HPS102GP
- HPS108GR
OD
- 1.8504"
- 2.0472"
- 2.4409"
- 2.8346"
- 3.3465"
OD Tolerance
- -0.0004" to 0"
- -0.0005" to 0"
- -0.0006" to 0"
Radial Clearance
- 0.0005" to 0.0011"
- 0.0009" to 0.0016"
- 0.0012" to 0.002"
- 0.0013" to 0.002"
Radial Clearance Trade Number
- C3
- C4
Dynamic Radial Load Capacity
- 2,850 lb.
- 3,150 lb.
- 4,400 lb.
- 5,800 lb.
- 7,300 lb.
Static Radial Load Capacity
- 1,500 lb.
- 1,750 lb.
- 2,500 lb.
- 3,450 lb.
- 4,600 lb.
For Shaft Width
- 1 1/2"
- 1 1/8"
- 1"
- 11/16"
- 7/8"
Inner Ring Width
- 0.827"
- 0.945"
- 1"
- 1.181"
- 1.484"
Inner Ring OD
- 1.166"
- 1.245"
- 1.501"
- 1.608"
- 1.76"
Hex Width
- 0.695"
- 0.876"
- 1.001"
- 1.126"
- 1.501"

Inquiry

Hex-Bore Ball Bearings

1291N1 | Hex-Bore Ball Bearings

$31.30

No need for set screws— the inside corners of these bearings hold them in place on hex shafts as they rotate. They're a good choice when your setup needs to come apart frequently, since there aren't extra mounting steps. Sealed — The best choice for dirty environments. A barrier seals out dust so it won't gunk up or wear down the balls. However, these bearings retain the most heat since air can't flow through. Steel — Strong and wear resistant. However, these bearings are best for dry environments since moisture will cause them to rust. Extended Inner Ring — Connect to mating parts without the need for a spacer. The inner ring juts out farther than the outer ring, so shaft collars and other objects won't touch the bearing's moving parts. ABEC Rating — Bearings with an ABEC rating meet industry tolerance standards established by the Annular Bearing Engineers Committee (ABEC). They're rated on a scale from 1 to 9. The higher the rating, the tighter the tolerance. Bearings rated ABEC 1 or 3 are precise enough for most applications. If your application consistently runs at high speeds or requires high accuracy, consider bearings rated ABEC 5 or higher, since they generate less friction and heat.

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1291N2 | Hex-Bore Ball Bearings

$40.30

No need for set screws— the inside corners of these bearings hold them in place on hex shafts as they rotate. They're a good choice when your setup needs to come apart frequently, since there aren't extra mounting steps. Sealed — The best choice for dirty environments. A barrier seals out dust so it won't gunk up or wear down the balls. However, these bearings retain the most heat since air can't flow through. Steel — Strong and wear resistant. However, these bearings are best for dry environments since moisture will cause them to rust. Extended Inner Ring — Connect to mating parts without the need for a spacer. The inner ring juts out farther than the outer ring, so shaft collars and other objects won't touch the bearing's moving parts. ABEC Rating — Bearings with an ABEC rating meet industry tolerance standards established by the Annular Bearing Engineers Committee (ABEC). They're rated on a scale from 1 to 9. The higher the rating, the tighter the tolerance. Bearings rated ABEC 1 or 3 are precise enough for most applications. If your application consistently runs at high speeds or requires high accuracy, consider bearings rated ABEC 5 or higher, since they generate less friction and heat.

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1291N3 | Hex-Bore Ball Bearings

$47.57

No need for set screws— the inside corners of these bearings hold them in place on hex shafts as they rotate. They're a good choice when your setup needs to come apart frequently, since there aren't extra mounting steps. Sealed — The best choice for dirty environments. A barrier seals out dust so it won't gunk up or wear down the balls. However, these bearings retain the most heat since air can't flow through. Steel — Strong and wear resistant. However, these bearings are best for dry environments since moisture will cause them to rust. Extended Inner Ring — Connect to mating parts without the need for a spacer. The inner ring juts out farther than the outer ring, so shaft collars and other objects won't touch the bearing's moving parts. ABEC Rating — Bearings with an ABEC rating meet industry tolerance standards established by the Annular Bearing Engineers Committee (ABEC). They're rated on a scale from 1 to 9. The higher the rating, the tighter the tolerance. Bearings rated ABEC 1 or 3 are precise enough for most applications. If your application consistently runs at high speeds or requires high accuracy, consider bearings rated ABEC 5 or higher, since they generate less friction and heat.

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1291N4 | Hex-Bore Ball Bearings

$55.12

No need for set screws— the inside corners of these bearings hold them in place on hex shafts as they rotate. They're a good choice when your setup needs to come apart frequently, since there aren't extra mounting steps. Sealed — The best choice for dirty environments. A barrier seals out dust so it won't gunk up or wear down the balls. However, these bearings retain the most heat since air can't flow through. Steel — Strong and wear resistant. However, these bearings are best for dry environments since moisture will cause them to rust. Extended Inner Ring — Connect to mating parts without the need for a spacer. The inner ring juts out farther than the outer ring, so shaft collars and other objects won't touch the bearing's moving parts. ABEC Rating — Bearings with an ABEC rating meet industry tolerance standards established by the Annular Bearing Engineers Committee (ABEC). They're rated on a scale from 1 to 9. The higher the rating, the tighter the tolerance. Bearings rated ABEC 1 or 3 are precise enough for most applications. If your application consistently runs at high speeds or requires high accuracy, consider bearings rated ABEC 5 or higher, since they generate less friction and heat.

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1291N5 | Hex-Bore Ball Bearings

$72.40

No need for set screws— the inside corners of these bearings hold them in place on hex shafts as they rotate. They're a good choice when your setup needs to come apart frequently, since there aren't extra mounting steps. Sealed — The best choice for dirty environments. A barrier seals out dust so it won't gunk up or wear down the balls. However, these bearings retain the most heat since air can't flow through. Steel — Strong and wear resistant. However, these bearings are best for dry environments since moisture will cause them to rust. Extended Inner Ring — Connect to mating parts without the need for a spacer. The inner ring juts out farther than the outer ring, so shaft collars and other objects won't touch the bearing's moving parts. ABEC Rating — Bearings with an ABEC rating meet industry tolerance standards established by the Annular Bearing Engineers Committee (ABEC). They're rated on a scale from 1 to 9. The higher the rating, the tighter the tolerance. Bearings rated ABEC 1 or 3 are precise enough for most applications. If your application consistently runs at high speeds or requires high accuracy, consider bearings rated ABEC 5 or higher, since they generate less friction and heat.

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