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System of Measurement
Inch
Metric
Shaft Diameter
Hide
0.04"
3/64"
0.055"
1/16"
5/64"
3/32"
1/8"
5/32"
3/16"
7/32"
1/4"
1/4"
to
3/8"
1/4"
to 1
3/16"
5/16"
5/16"
to
11/32"
3/8"
3/8"
to
1/2"
3/8"
to 1
1/2"
7/16"
15/32"
1/2"
1/2"
to
5/8"
1/2"
to 2
3/4"
9/16"
9/16"
to
7/8"
5/8"
5/8"
to
3/4"
11/16"
3/4"
3/4"
to
7/8"
3/4"
to 1
3/16"
13/16"
55/64"
7/8"
15/16"
63/64"
1"
1
1/16"
1
1/8"
1
1/8"
to 2
3/4"
1
3/16"
1
3/16"
to 1
5/8"
1
1/4"
1
5/16"
1
3/8"
1
3/8"
to 1
7/8"
1
7/16"
1
1/2"
1
9/16"
1
5/8"
1
11/16"
1
3/4"
1
3/4"
to 2
1/4"
1
13/16"
1
7/8"
1
15/16"
2"
2
1/16"
2
1/8"
2
3/16"
2
1/4"
2
1/4"
to 4
3/8"
2
3/8"
2
3/8"
to 6
1/8"
2
7/16"
2
1/2"
2
5/8"
2
11/16"
2
3/4"
2
7/8"
2
15/16"
3"
3
1/8"
3
1/4"
3
1/2"
3
3/4"
3
7/8"
to 7
7/8"
4"
4
1/8"
5"
6"
7"
1 mm
1.5 mm
2 mm
2.5 mm
3 mm
4 mm
5 mm
6 mm
7 mm
8 mm
9 mm
10 mm
11 mm
12 mm
12.2 mm
13 mm
14 mm
15 mm
16 mm
17 mm
18 mm
19 mm
20 mm
22 mm
24 mm
25 mm
26 mm
28 mm
30 mm
32 mm
35 mm
36 mm
38 mm
40 mm
42 mm
45 mm
48 mm
50 mm
55 mm
60 mm
65 mm
70 mm
75 mm
78 mm
80 mm
85 mm
88 mm
90 mm
95 mm
100 mm
110 mm
115 mm
120 mm
130 mm
140 mm
150 mm
160 mm
170 mm
180 mm
190 mm
200 mm
210 mm
Made-to-Order
Shaft Mount Type
Clamp On
Eccentric Lock
Press Fit
Set Screw
Slip Fit
Mounted Bearing Type
Base Mount
Four-Bolt Flange Mount
Tapped Base Mount
Three-Bolt Flange Mount
Two-Bolt Flange Mount
ID
1
7/16"
1.4377"
1.438"
1.44"
1.4415"
1.4425"
1.452"
OD
1
7/16"
1.628"
1.6285"
1.752"
1.7535"
1.945"
2
5/16"
2
15/32"
2
1/2"
2
9/16"
2.835"
2.836"
3"
6
1/2"
7
3/8"
8
5/16"
9
1/4"
Housing Material
Cast Iron
Plastic
Stainless Steel
Bearing Seal Type
Open
Sealed
Shielded
Mounting Hole Center-to-Center
3
1/4"
3
5/8"
4
3/4"
4
7/8"
5"
5
1/8"
Center Height
1
3/8"
1
13/16"
1
7/8"
3
7/16"
3
5/8"
3
47/64"
4
1/4"
4
5/16"
Overall Length
3
35/64"
3
47/64"
3
3/4"
3
15/16"
4
3/16"
4
1/4"
4
19/32"
4
5/8"
5
11/16"
6
3/32"
6
1/8"
6
1/4"
6
1/2"
6
9/16"
6
5/8"
6
21/32"
Overall Height
1
3/4"
2
11/16"
3
9/16"
3
5/8"
3
21/32"
3
11/16"
3
3/4"
3
25/32"
4
1/8"
4
19/32"
4
5/8"
5
1/2"
5
21/32"
6
1/8"
6
3/16"
Bearing Type
Ball
Plain
Roller
Material
841 Bearing Bronze
Babbitt
Felt
Graphalloy
Iron
Plastic
Rubber
Stainless Steel
Steel
Width
17/32"
0.748"
15/16"
1"
1
1/32"
1
1/4"
1
5/16"
1
3/8"
1
1/2"
1.574"
1
37/64"
1
23/32"
1
3/4"
1
13/16"
1
53/64"
1
55/64"
1
7/8"
1
59/64"
1
15/16"
2"
2
1/64"
2
1/16"
2
1/4"
2
3/8"
2
3/4"
3"
For Load Direction
Combined Radial and Thrust
Radial
Thrust
Bearing Material
Babbitt
Stainless Steel
Steel
Grease Fitting Included
Yes
No
Shaft Type
Keyed
Round
Bearing Trade Number
31597/31521
ER23
GYA107RRB
Length
1"
1
1/4"
1
1/2"
1
3/4"
2"
2
1/4"
3
35/64"
3
47/64"
3
3/4"
3
15/16"
4
3/16"
4
1/4"
4
19/32"
4
5/8"
5"
5
11/16"
6
3/32"
6
1/8"
6
1/4"
6
1/2"
6
9/16"
6
5/8"
6
21/32"
Export Control Classification Number (ECCN)
1C999
EAR99
RoHS
Compliant
Not Compliant
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
Yes
No
REACH
Compliant
Not Compliant
DFARS Specialty Metals
Exempt
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78 Products
Power Transmission
Mounted Bearings
Ball, roller, and sleeve bearings ready to bolt in place
38 products
Ball Bearings
Create less friction than other bearings for use at high speeds
7 products
Roller Bearings
Support higher loads than ball bearings, but run at lower speeds
1 product
Sleeve Bearings
With no moving parts, the plainest type of bearing
9 products
Thrust Bearings
Support loads parallel to the shaft with plain, ball, or roller bearings
3 products
Bearing Adapter Sleeves
Close gaps between your bearing and shaft for a tight fit
1 product
Pulley and Sprocket Bushings
Mount between a rotating shaft and equipment to secure the shaft and reduce vibration
14 products
Flexible Shaft Coupling Hubs
Pair with spiders, discs, or grids for a complete flexible shaft coupling
7 products
Material Handling
Conveyor Belt Take-Up Bearings
Use with take-up frames to adjust tension on conveyor belts
1 product
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)