NN3021 KOYO Double-row cylindrical roller bearings
| Brand Name: | KOYO |
| Model Number: | NN3021 |
| Category: | Pillow Block Bearings |
| Inventory: | 0.0 |
| Minimum Buy Quantity: | N/A |
| Weight: | 106 lb |
| Product Group: | B04144 |
| Number of Mounting Holes: | 2 |
| Mounting Method: | Clamp Collar |
| Housing Style: | 2 Bolt Pillow Block |
| PDF |
NN3021 |
Product Details
| Category | Pillow Block Bearings |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight | 106 lb |
| Product Group | B04144 |
| Number of Mounting Holes | 2 |
| Mounting Method | Clamp Collar |
| Housing Style | 2 Bolt Pillow Block |
| Rolling Element | Cylindrical Roller Bearing |
| Housing Material | Cast Iron |
| Expansion / Non-expansion | Expansion |
| Mounting Bolts | 24 Millimeter |
| Relubricatable | Yes |
| Insert Part Number | MSE311BX |
| Seals | Triple Lip Labyrinth |
| Housing Configuration | 2 Piece Split |
| Inch - Metric | Inch |
| Other Features | Single Row | Medium Duty | With Support | Wide Inner Ring |
| UNSPSC | 31171511 |
| Harmonized Tariff Code | 8483.20.40.80 |
| Noun | Bearing |
| Keyword String | Pillow Block |
| Weight / LBS | 93.92 |
| Bolt Spacing Minimum | 0 Inch | 0Millimeter |
| d | 3.688 Inch | 93.675 Millimeter |
| D | 3.626 Inch | 92.1 Millimeter |
| Actual Bolt Center to Center | 15.4 Inch | 392Millimeter |
| Bolt Spacing Maximum | 0 Inch | 0Millimeter |
| B | 5.63 Inch | 143 Millimeter |
| Nominal Bolt Center to Center | 15.4 Inch | 392 Millimeter |
| Shaft Size | 3-11/16 in |
| Seal Type | Aluminium Triple Labyrinth |
| Bearing Type | Split Cylindrical Expansion Type |
| Support Type | Two-Bolt Plummer Block |
| Series Type | Medium Series |
| Pillow/Plummer Block Style | Split Cylindrical Housed Unit - Standard |
| Bolt Size | 2 x M24 |
| Bearing Number | MSE311BX |
| Dimension H | 5.630 in |
| Dimension H1 | 2.4 in |
| Dimension H2 | 12.4 in |
| Dimension J | 15.4 in |
| Dimension L | 18.3 in |
| Dimension M | 4.7 in |
| Housing Width | 5.7 in |
| Cr - Dynamic Load Rating | 87226 lbf |
| Cor - Static Load Rating | 110381 lbf |
| Maximum Speed | 2130 rpm |
| Note | This product line was formerly known as “Revolvo” |
Company Profile
| Worktime |
9:00-18:00（Beijing time） |
| Phone |
86-02-7234259 |
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