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Pillow Block Bearing

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What Is a Pillow Block Bearing?

A pillow block bearing is a mounted bearing unit designed to support a rotating shaft while reducing friction during operation. It consists of a bearing insert and a housing with a mounting base, allowing it to be easily installed on machine frames. Pillow block bearings are commonly used in industrial equipment because they are simple to install, maintain, and replace.

What Is the Best Pillow Block Bearing Brand?

The best pillow block bearing brand depends on the application requirements, such as load capacity, operating speed, environment, and budget. Well-known manufacturers include **SKF, Schaeffler, NSK, NTN Corporation, and Timken. For general industrial applications, factors like bearing quality, sealing design, availability, and technical support are often more important than brand name alone.

How to Size a Pillow Block Bearing?

To select the correct pillow block bearing size, consider:

  • Shaft diameter – The bearing bore must match the shaft size.
  • Load capacity – Check the required radial and axial loads.
  • Operating speed – Ensure the bearing can handle the rotation speed.
  • Operating environment – Consider dust, moisture, temperature, and corrosion.
  • Mounting requirements – Confirm housing dimensions and installation space.

The correct size should be selected based on the manufacturer’s load ratings and service life calculations.

How Much Weight Can a Pillow Block Bearing Support?

The load capacity of a pillow block bearing depends on the bearing size, design, material, and operating conditions. Small pillow block bearings may support loads of a few hundred pounds, while heavy-duty industrial units can support several tons. Always check the manufacturer’s dynamic and static load ratings before selection.

When to Use Pillow Block Bearings?

Pillow block bearings are ideal when a rotating shaft needs external support and easy installation. They are commonly used when equipment requires simple mounting, shaft alignment, and convenient maintenance. They are especially suitable for applications where the bearing does not need to be installed directly into a machine housing.

What Is the Application of Pillow Block Bearing?

Pillow block bearings are widely used in:

  • Conveyor systems
  • Agricultural machinery
  • Packaging equipment
  • Fans and blowers
  • Material handling systems
  • Food processing equipment
  • Industrial automation machinery

They provide reliable shaft support in applications requiring continuous rotation.

How Often Should You Grease Pillow Block Bearings?

The lubrication interval depends on operating speed, load, temperature, and environment. Under normal operating conditions, pillow block bearings are often regreased every 3 to 6 months. In dusty, wet, or high-speed applications, more frequent lubrication may be required. Avoid over-greasing, as excessive grease can increase heat generation and shorten bearing life.

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Pillow Block Bearing Pillow Block Bearing
Part Number
Bore Dia
Width of Inner Ring
Mounted Type
Whole Length
Whole Width
Overall Height
Pillow Height
Center Height
Hole Ctr-to-Ctr Min
Hole Ctr-to-Ctr Max
Hole Center to Center 1
Shaft Mount Type
Housing Material
Bearing Seal Type
Mounting Bolt Size
Weight
Price
>
Part Number
Bore Dia
Width of Inner Ring
Mounted Type
Whole Length
Whole Width
Overall Height
Pillow Height
Center Height
Hole Ctr-to-Ctr Min
Hole Ctr-to-Ctr Max
Hole Center to Center 1
Shaft Mount Type
Housing Material
Bearing Seal Type
Mounting Bolt Size
Weight
Price
>
KP003
17 mm
18 mm
Pillow Block Bearing
85 mm
-
47 mm
7 mm
24 mm
67 mm
67 mm
-
Set Screw Locking
ZDC Alloy
Double Sealed
M6
0.16 kg
$19.17
KP003C
17 mm
18 mm
Pillow Block Bearing
85 mm
38 mm
47 mm
7 mm
24 mm
-
-
67 mm
Set Screw Locking
ZDC Alloy
Double Sealed
M6
0.17 kg
$20.70
KP003CE
17 mm
18 mm
Pillow Block Bearing
85 mm
38 mm
47 mm
7 mm
24 mm
-
-
67 mm
Set Screw Locking
ZDC Alloy
Double Sealed
M6
0.17 kg
$20.70
MUCP203
17 mm
31 mm
Pillow Block Bearing
127 mm
-
65 mm
15 mm
33.3 mm
86 mm
105 mm
-
Set Screw Locking
304 Cast Stainless Steel
Double Sealed
M10
0.79 kg
$84.52
MUCPPL203B
17 mm
31 mm
Pillow Block Bearing
127 mm
-
65.5 mm
14.2 mm
33.3 mm
91 mm
99 mm
-
Set Screw Locking
PBT Thermoplastic
Double Sealed
M10
0.31 kg
$60.58
MUCPPL203W
17 mm
31 mm
Pillow Block Bearing
127 mm
-
65.5 mm
14.2 mm
33.3 mm
91 mm
99 mm
-
Set Screw Locking
PBT Thermoplastic
Double Sealed
M10
0.31 kg
$60.58
MUCTB203
17 mm
31 mm
Pillow Block Bearing
73 mm
-
65 mm
-
33.3 mm
50.8 mm
50.8 mm
-
Set Screw Locking
304 Cast Stainless Steel
Double Sealed
-
0.66 kg
$84.52
MUCTBL203B
17 mm
31 mm
Pillow Block Bearing
73 mm
-
66 mm
-
33.3 mm
50.8 mm
50.8 mm
-
Set Screw Locking
PBT Thermoplastic
Double Sealed
-
0.28 kg
$73.44
MUCTBL203W
17 mm
31 mm
Pillow Block Bearing
73 mm
-
66 mm
-
33.3 mm
50.8 mm
50.8 mm
-
Set Screw Locking
PBT Thermoplastic
Double Sealed
-
0.28 kg
$73.44
MUP003
17 mm
18 mm
Pillow Block Bearing
85 mm
-
47 mm
7 mm
24 mm
67 mm
67 mm
-
Eccentric Collar Locking
ZDC Alloy with Electroless Chromate Finish
Double Sealed
M6
0.16 kg
$34.94
MUP003C
17 mm
18 mm
Pillow Block Bearing
85 mm
38 mm
47 mm
7 mm
24 mm
67 mm
67 mm
-
Eccentric Collar Locking
ZDC Alloy with Electroless Chromate Finish
Double Sealed
M6
0.17 kg
$36.22
MUP003CE
17 mm
18 mm
Pillow Block Bearing
85 mm
38 mm
47 mm
7 mm
24 mm
67 mm
67 mm
-
Eccentric Collar Locking
ZDC Alloy with Electroless Chromate Finish
Double Sealed
M6
0.17 kg
$36.22
UCLP203
17 mm
29 mm
Pillow Block Bearing
121 mm
-
56 mm
13 mm
27 mm
83 mm
95 mm
-
Set Screw Locking
Cast Iron
Double Sealed
M10
0.48 kg
$16.11
UCP203
17 mm
38 mm
Pillow Block Bearing
127 mm
-
62 mm
15 mm
30.2 mm
86 mm
105 mm
-
Set Screw Locking
Cast Iron
Double Sealed
M10
0.63 kg
$16.11
UCP203C
17 mm
38 mm
Pillow Block Bearing
127 mm
-
56 mm
15 mm
30.2 mm
86 mm
105 mm
-
Set Screw Locking
Cast Iron
Double Sealed
M10
-
-
UCP203CE
17 mm
38 mm
Pillow Block Bearing
127 mm
-
56 mm
15 mm
30.2 mm
86 mm
105 mm
-
Set Screw Locking
Cast Iron
Double Sealed
M10
-
-
UCP203NPMZ2
17 mm
31 mm
Pillow Block Bearing
127 mm
-
62 mm
15 mm
30.2 mm
86 mm
105 mm
-
Set Screw Locking
Cast Iron - Nickel Protection
Double Sealed
M10
0.71 kg
$78.19
UCPA203
17 mm
38 mm
Pillow Block Bearing
76 mm
-
62 mm
-
30.2 mm
52 mm
52 mm
-
Set Screw Locking
Cast Iron
Double Sealed
-
0.63 kg
$17.52
UCPA203NPMZ2
17 mm
31 mm
Pillow Block Bearing
76 mm
-
62 mm
-
30.2 mm
52 mm
52 mm
-
Set Screw Locking
Cast Iron - Nickel Protection
Double Sealed
-
0.5 kg
$34.80
UCPH203
17 mm
40 mm
Pillow Block Bearing
127 mm
-
101 mm
15 mm
70 mm
86 mm
105 mm
-
Set Screw Locking
Cast Iron
Double Sealed
M10
0.99 kg
$27.27
UCPPL203MZ2B
17 mm
31 mm
Pillow Block Bearing
127 mm
-
65.5 mm
14.2 mm
33.3 mm
91 mm
99 mm
-
Set Screw Locking
PBT Thermoplastic
Double Sealed
M10
0.32 kg
$29.26
UCPPL203MZ2W
17 mm
31 mm
Pillow Block Bearing
127 mm
-
65.5 mm
14.2 mm
33.3 mm
91 mm
99 mm
-
Set Screw Locking
PBT Thermoplastic
Double Sealed
M10
0.32 kg
$29.26
UCTBL203MZ2B
17 mm
31 mm
Pillow Block Bearing
73 mm
-
66 mm
-
33.3 mm
50.8 mm
50.8 mm
-
Set Screw Locking
PBT Thermoplastic
Double Sealed
-
0.29 kg
$38.30
UCTBL203MZ2W
17 mm
31 mm
Pillow Block Bearing
73 mm
-
66 mm
-
33.3 mm
50.8 mm
50.8 mm
-
Set Screw Locking
PBT Thermoplastic
Double Sealed
-
0.29 kg
$38.30
UP003
17 mm
18 mm
Pillow Block Bearing
85 mm
-
47 mm
7 mm
24 mm
67 mm
67 mm
-
Eccentric Collar Locking
ZDC Alloy
Double Sealed
M6
0.16 kg
$17.67
UP003C
17 mm
18 mm
Pillow Block Bearing
85 mm
38 mm
47 mm
7 mm
24 mm
-
-
67 mm
Eccentric Collar Locking
ZDC Alloy
Double Sealed
M6
0.17 kg
$19.20
UP003CE
17 mm
18 mm
Pillow Block Bearing
85 mm
38 mm
47 mm
7 mm
24 mm
-
-
67 mm
Eccentric Collar Locking
ZDC Alloy
Double Sealed
M6
0.17 kg
$19.20
BLLP4
20 mm
27 mm
Pillow Block Bearing
125 mm
-
64 mm
13 mm
33.3 mm
91 mm
103 mm
-
Set Screw Locking
Cast Iron
Double Sealed
M10
0.52 kg
$13.74
BLP204
20 mm
32 mm
Pillow Block Bearing
133 mm
-
65 mm
13 mm
31.8 mm
89 mm
108 mm
-
Set Screw Locking
Cast Iron
Double Sealed
M10
0.67 kg
$15.42
BP204
20 mm
38 mm
Pillow Block Bearing
127 mm
-
65 mm
15 mm
33.3 mm
86 mm
105 mm
-
Set Screw Locking
Cast Iron
Double Sealed
M10
0.65 kg
$15.42
BPP4
20 mm
25.4 mm
Pillow Block Bearing
104.8 mm
-
52.4 mm
3.2 mm
25.4 mm
73 mm
79 mm
-
Set Screw Locking
Pressed Steel
Double Sealed
M10
0.25 kg
$13.47
BPR4
20 mm
28.6 mm
Pillow Block Bearing
114.3 mm
-
56.4 mm
4 mm
28.6 mm
81 mm
91 mm
-
Set Screw Locking
Pressed Steel
Double Sealed
M10
0.24 kg
$14.10
BPW204
20 mm
27 mm
Pillow Block Bearing
125 mm
-
62 mm
8 mm
33.3 mm
91 mm
103 mm
-
Set Screw Locking
Malleable Iron
Double Sealed
M10
0.38 kg
$21.21
BSHE204
20 mm
32 mm
Pillow Block Bearing
70 mm
-
64 mm
-
33.3 mm
50.8 mm
50.8 mm
-
Set Screw Locking
Cast Iron
Double Sealed
-
0.36 kg
$17.61
CUCP204C
20 mm
38 mm
Pillow Block Bearing
127 mm
-
69 mm
15 mm
33.3 mm
86 mm
105 mm
-
Set Screw Locking
Cast Iron
Double Sealed
M10
-
$43.98
CUCP204CE
20 mm
38 mm
Pillow Block Bearing
127 mm
-
69 mm
15 mm
33.3 mm
86 mm
105 mm
-
Set Screw Locking
Cast Iron
Double Sealed
M10
-
$43.98
KHLLP204
20 mm
27 mm
Pillow Block Bearing
125 mm
-
64 mm
13 mm
33.3 mm
91 mm
103 mm
-
Eccentric Collar Locking
Cast Iron
Double Sealed
M10
0.52 kg
$14.67
KHLP204
20 mm
32 mm
Pillow Block Bearing
133 mm
-
65 mm
13 mm
31.8 mm
89 mm
108 mm
-
Eccentric Collar Locking
Cast Iron
Double Sealed
M10
0.67 kg
$15.63
KHP204
20 mm
38 mm
Pillow Block Bearing
127 mm
-
65 mm
15 mm
33.3 mm
86 mm
105 mm
-
Eccentric Collar Locking
Cast Iron
Double Sealed
M10
0.65 kg
$15.63
KHPP204
20 mm
25.4 mm
Pillow Block Bearing
104.8 mm
-
52.4 mm
3.2 mm
25.4 mm
73 mm
79 mm
-
Eccentric Collar Locking
Pressed Steel
Double Sealed
M10
0.25 kg
$13.98
KHPR204
20 mm
28.6 mm
Pillow Block Bearing
114.3 mm
-
56.4 mm
4 mm
28.6 mm
81 mm
91 mm
-
Eccentric Collar Locking
Pressed Steel
Double Sealed
M10
0.24 kg
$17.25
KHPW204
20 mm
27 mm
Pillow Block Bearing
125 mm
-
62 mm
8 mm
33.3 mm
91 mm
103 mm
-
Eccentric Collar Locking
Malleable Iron
Double Sealed
M10
0.38 kg
$25.56
KHSHE204
20 mm
32 mm
Pillow Block Bearing
70 mm
-
64 mm
-
33.3 mm
50.8 mm
50.8 mm
-
Eccentric Collar Locking
Cast Iron
Double Sealed
-
0.36 kg
$33.84
KP004
20 mm
20 mm
Pillow Block Bearing
100 mm
-
55 mm
9 mm
28 mm
80 mm
80 mm
-
Set Screw Locking
ZDC Alloy
Double Sealed
M8
0.24 kg
$21.93
KP004C
20 mm
20 mm
Pillow Block Bearing
100 mm
46 mm
55 mm
9 mm
28 mm
-
-
80 mm
Set Screw Locking
ZDC Alloy
Double Sealed
M8
0.24 kg
$23.43
KP004CE
20 mm
20 mm
Pillow Block Bearing
100 mm
46 mm
55 mm
9 mm
28 mm
-
-
80 mm
Set Screw Locking
ZDC Alloy
Double Sealed
M8
0.24 kg
$23.43
MUCP204
20 mm
31 mm
Pillow Block Bearing
127 mm
-
65 mm
15 mm
33.3 mm
86 mm
105 mm
-
Set Screw Locking
304 Cast Stainless Steel
Double Sealed
M10
0.77 kg
$84.52
MUCPPL204B
20 mm
31 mm
Pillow Block Bearing
127 mm
-
65.5 mm
14.2 mm
33.3 mm
91 mm
99 mm
-
Set Screw Locking
PBT Thermoplastic
Double Sealed
M10
0.29 kg
$60.58
MUCPPL204CB
20 mm
31 mm
Pillow Block Bearing
127 mm
-
65.5 mm
14.2 mm
33.3 mm
91 mm
99 mm
-
Set Screw Locking
PBT Thermoplastic
Double Sealed
M10
0.3 kg
$63.38
MUCPPL204CEB
20 mm
31 mm
Pillow Block Bearing
127 mm
-
65.5 mm
14.2 mm
33.3 mm
91 mm
99 mm
-
Set Screw Locking
PBT Thermoplastic
Double Sealed
M10
0.3 kg
$63.38
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