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Martin R2 3 1/4 QD bushing, Type R2, 3-1/4" bore, ductile iron construction. Quick-disconnect split taper bushing for secure shaft mounting in sprockets, sheaves, and pulleys. Interchangeable with industry-standard QD bushings.
MODEL R2 3 1/4
Contact supplier for technical support on: 323-728-8117
$152.86 Each
Prices are subject to change
FREE SHIPPING ON ORDERS OVER $100
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Typically Ships in: 1 day
Returnable: See conditions
Material
Ductile Iron
| Material | Ductile Iron | Flange Diameter | 5.375 in. |
|---|---|---|---|
| Bore Type | Standard | Length Thru Bore | 4.875 in. |
| Finished Bore Size | 3.250 in. | Cap Screw Bolt Circle | 4.625 in. |
| Key Way Size | 3/4 X 3/8 in. | Number of Mounting Cap Screws | 3 |
| Set Screw Size | 5/16-18 X 5/16 in. | Cap Screw Size | 3/8 X 1 3/4 in. |
| Min Bore Size | 3.250 in. | Bushing Construction | Type 2 |
| Max Bore Size | 3.625 in. | ||
| Storage Dimension Width | 6.380 in. | Individually Packaged | Yes |
| Storage Dimension Height | 5.120 in. |
#1493846
Koyo 1317K self-aligning ball bearing with 85 mm tapered bore (1:12) and 180 mm outer diameter. Open-type design accommodates shaft misalignment in fans, pumps, and conveyors. Single-row ball construction with steel cage for reliable performance in industrial rotating equipment.
| Brand | Koyo Bearing |
| Model | 1317K |
$557.96
Each
Free Shipping orders over $100
#5864669
RAB PS25-32-EX39-830-ND 120-277V LED HID replacement bulb with PS25 shape, 31W input, 4,000 lumens, 125 lm/W efficacy, 3000K warm white, 80 CRI, EX39 mogul base, 230° beam angle, 120-277V AC, 50,000-hour L70 lifespan, DLC listed, UL listed, and California compliant. Replaces 150W HID.
| Brand | RAB Lighting |
| Model | PS25-32-EX39-830-ND 120-277V |
$34.12
Each
Free shipping
#6395007
#10-32 x 3/4" Machine Screw, Phillips Drive, Flat Head, Fine, Full Thread, Stainless A2 (304 18-8)
| Brand | MROSupply Fasteners |
| Model | FSTPCK-771469 |
$35.85
Per Bx
Free shipping
#687027
$260.98
Each
Free Shipping orders over $100
#6392791
M4-0.7 x 8mm Machine Screw, Slotted Drive, Flat Head, Coarse, Full Thread, Stainless A2 (304 18-8)
| Brand | MROSupply Fasteners |
| Model | FSTPCK-516127 |
$62.00
Per Bx
Free shipping
Not available
#197226
$106.64
Each
Free Shipping orders over $100
Item must be unused.
Item must be in it's original package.
Restocking, shipping and handling fees may apply to any return with this manufacturer.
For more information please consult https://www.mrosupply.com/page/returnwarranty-policy/