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Pillow blocks, the most commonly used type of mounted units, provide shaft support where the mounting surface is parallel to the shaft axis. The bolt holes are usually slotted for easy adjustment during mounting.
Pillow blocks come in a variety of configurations.
- Narrow series (V and S) are lightweight, yet structurally designed to support bearing load.
- Premium width series (R and Y) are three times stronger for rougher environments. They’re available in two styles that fit typical applications.
- Pressed steel and rubber pillow blocks are available for light-duty applications.
Unit of Measure
Key Dimensions
Shaft Size d |
N/A 2.1875 in |
Bearing Type |
N/A Ball Bearing |
Bearing Number |
N/A 1203KR |
Housing Construction |
N/A Four-Bolt Double Pillow Block |
Full Timken Part Number |
N/A DRNR2 3⁄16 |
Other Dimensions
Base Width A |
N/A 177.8 mm7 in |
Base to Center Height H |
N/A 88.9 mm3.5 in |
Foot Height H1 |
N/A 31.8 mm1.25 in |
Total Height H2 |
N/A 158.8 mm6.25 in |
Total Length L |
N/A 304.8 mm12 in |
Dimension L1 |
N/A 133.4 mm5.25 in |
Bolt Hole Spacing J |
N/A 241.3 mm9.5 in |
Bolt Hole Spacing [Lateral] J1 |
N/A 114.3 mm4.5 in |
Bolt Hole Width N |
N/A 17.5 mm0.69 in |
Bolt Hole Length N1 |
N/A 28.5 mm1.125 in |
Total Width O |
N/A 355.6 mm14 in |
Dimension P |
N/A 268.3 mm10.563 in |
Dimension d1 |
N/A 76.2 mm3 in |
