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Cast iron square flange mount unit UCF (UCF217FDD1K2)
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- Volume Discount
A bearing unit that contains a bearing and a housing fitted with a square flange
(i)Caution
- Ball bearing unit moves slightly due to self-aligning function.
- The fit between the main body and the bearing is set slightly tight. If the bearing is skewed upon delivery, insert the shaft, etc. into the bearing and adjust the inclination.
Japanese Only
Part Number
Configured Part Number is shown.
UCF217FDD1K2
Drawing
Specifications Table
Note)
- 1. The nominal number of the unit and the nominal number of the unit with cover are followed by the fitting symbol after the bore number.
- 2. The compatible grease fitting nominal numbers are as follows.
A-1/4-28UNF: 201–210, X05–X09, 305–308
A-R1/8: 211–218, X10–X20, 309–328 - 3. For triple-seal products (double-seal for 201–205), add the accessory symbol L3 (or L2) after the unit nominal number and bearing nominal number.
(Example of nominal number: UCF206JL3, UC206L3).
Product Specification
Structure of Insert Bearing Unit (Typical Example)
Materials of Bearing Unit Components and Accessories
| Name | Material | Symbol | Standard No. |
|---|---|---|---|
| Seal (Standard product) | Nitrile Rubber | NBR | - |
| Seal (for heat resistant and cold resistance) | Silicone rubber | VMQ | - |
| Steel plate cover | Cold rolled steel plate and steel strip | SPCD | JIS G 3141 |
| Cast iron cover | Gray cast iron product | FC200 | JIS G 5501 |
Specifications of heat resistant units and cold resistance units
| Specifications of heat resistant units and cold resistance units | ||||||
|---|---|---|---|---|---|---|
| Category | Special symbols | Operating temperature range | Grease | Sealing Rubber Material | Bearing Internal Clearance | |
| (℃) | Shape UC | Shape UK | ||||
| Normal product | - | -20 to 100 | Lithium Complex Soap | Nitrile | CN | C3 |
| For cold resistance | D2K2 | -50 to 120 | Lithium Soap | Silicone | CN | C3 |
| For heat resistant | D1K2 | -40 to 180 | Diurea | Silicone | C4 | C5 |
| For heat resistant | D9K2 | -20 to 230 | Fluorine | Silicone | C4 | C5 |
| Specifications of Heat Resistant Unit | ||||||
|---|---|---|---|---|---|---|
| Category | Special symbols | Operating temperature range | Grease | Sealing Rubber Material | Bearing Internal Clearance | |
| (℃) | Shape UC | Shape UK | ||||
| For heat resistant | D9P4S6Y2 | -20 to 260 | Fluorine | - | C4 | - |
| For super heat resistant | S6Y3 | 300 to 450 | Solid lubricant retainer | - | Special | - |
Features
The UCF is a unit that combines a housing with a square shape flange and four mounting holes. This product is to be installed on a vertical surface such as the side of a machine. This unit can be easily and securely mounted to the shaft using two set screws installed in the inner ring.
Model number display
Note: The above is an example of the composition of the nominal number, but it may differ depending on the unit.
Table 10.1 Bearing type symbol
| Bearing type symbol | Details | Bearing type symbol | Details |
|---|---|---|---|
| UC | Cylindrical bore with set screw (JIS standard product) | SB | Cylindrical bore with set screw (lightweight type) |
| UC-S6 | Cylindrical hole with set screw (stainless steel) | SU | Cylindrical hole with set screw (compact) |
| UK | Tapered hole (for adapter) (JIS standard product) | SU-S6 | Cylindrical hole with set screw (stainless steel) |
| ZK | Tapered hole (for Z lock sleeve) | ER | Cylindrical bore, with set screw, cylindrical outer surface, with lubrication mechanism and retaining ring |
| NA | Cylindrical bore, with eccentric fixing ring (JIS standard product, equivalent to UWE type) | ||
| NC | Cylindrical bore, with concentric fixing ring | RB | Cylindrical bore, with set screw, cylindrical outer diameter surface |
Table 10.2 Housing type symbols
| Housing type symbols | Details | Housing type symbols | Details |
|---|---|---|---|
| P | Pillow type (JIS standard product) | FL | Diamond flange type (die-cast) |
| IP | Thick-walled Pillow Type | SF | Square flange type (stainless steel) |
| PA | Narrow Pillow Type | SFL | Diamond Flange Type (Stainless Steel) |
| PH | Center Height Pillow Type | SFC | Round Flange Type with Spigot (Stainless Steel) |
| LP | Lightweight Pillow Type | PF | Steel Plate Round Flange Type (JIS Standard Product) |
| P | Pillow Type (die-cast) | PFL | Steel plate diamond flange type (JIS standard product) |
| SP | Pillow Type (Stainless Steel) | VF | Square flange type (plastic) |
| SPA | Narrow Pillow Type (stainless steel) | VFL | Diamond flange type (plastic) |
| VP | Pillow type (plastic) | T | Take-Up Type (JIS Standard Product) |
| SP | Pillow Type (Stainless Steel) | ST | Take-up Type (Stainless Steel) |
| pp | Steel Plate Pillow Type (JIS Standard Product) | TH | Take-Up Type with Shaped Steel Frame |
| F | Square Flange Type (JIS Standard Product) | TL | Take-up type with light channel shaped steel frame |
| FL | Diamond flange type (JIS standard product) | TU | Take-up type with shaped steel frame |
| FA | Deformed diamond flange type | PTH | Take-up type with steel plate frame |
| FB | Deformed flange type | NPTH | Take-up type with steel plate frame |
| FC | Round flange type with spigot (JIS standard product) | C | Cartridge type (JIS standard product) |
| FS | Square Flange Type with Spigot (JIS Standard Product) | HA | Hanger type |
| Diameter series symbol | Details |
|---|---|
| 2 | Used for light load |
| X | For medium load |
| 3 | For heavy load |
| Fitting Symbols | Details |
|---|---|
| J | The tolerance zone of the spherical strike plate diameter of the housing is J7 (Not indicated for spherical strike plate diameters exceeding 120 mm) |
| Accessory symbol | Details |
|---|---|
| C 1) | Cover, through type |
| D 1) | Cover, sealed type |
| FC | Cast iron cover, through type |
| FD | Cast iron cover, sealed type |
| L3 | Triple seal product |
| Items | Special Bearing Symbols | Details |
|---|---|---|
| Grease | D1 | For heat resistant |
| D2 | For cold resistance | |
| D9 | For heat resistance (fluorine-based grease) | |
| Seal | K2 | Silicone rubber |
| K3 | Non-contact-type |
201–218, X05–X17: steel plate cover
X18–X20, 305–328: cast iron cover
Table 10.8 Special symbols for housing
| Items | Special Symbols for Housing | Details |
|---|---|---|
| Machining | E1 | Steel plate cover mounting groove (Diameter series 2, X) |
| E3 | Cast iron cover mounting groove (diameter series 2, X, 3) | |
| E4 | Lubrication-free type | |
| E4 (M) | Lubrication-free type with set screw |
Selection Support Information
Bearing accuracy
Bearing accuracy is shown in digital catalog table 11.1 to table 11.4.
The permissible limit values for the chamfer dimension of the inner ring of cylindrical bore bearings are shown in digital catalog table 11.5.
UC
Table 11.1 Permissible Deviations and Allowable Values for Bearing Inner Ring
| Nominal Bearing Inner Diameter (mm) | Flat Surface Average Inner Diameter Dimension Difference Δdmp | Flat Surface Inner Diameter Variation | Eccentricity Dimension Difference of Eccentric Surface of Inner Ring and Eccentric Fixing Ring ΔHs | Inner Ring Width Dimension Variation ΔBs | Radial Run-out of Inner Ring Kia | ||||
|---|---|---|---|---|---|---|---|---|---|
| Over | or less | Top | Bottom | Maximum | Top | Bottom | Top | Bottom | Maximum |
| - | 10 | + 15 | 0 | 10 | + 100 | -100 | 0 | -120 | 10 |
| 10 | 18 | + 15 | 0 | 10 | + 100 | -100 | 0 | -120 | 15 |
| 18 | 31.75 | + 18 | 0 | 12 | + 100 | -100 | 0 | -120 | 18 |
| 31.75 | 50.8 | + 21 | 0 | 14 | + 100 | -100 | 0 | -120 | 20 |
| 50.8 | 80 | + 24 | 0 | 16 | + 100 | -100 | 0 | -150 | 25 |
| 80 | 120 | + 28 | 0 | 19 | + 100 | -100 | 0 | -200 | 30 |
| 120 | 180 | + 33 | 0 | 22 | + 100 | -100 | 0 | -250 | 35 |
Unit: μm
Technical Information
Dimensional difference of the distance from the mounting surface to the center of the spherical strike plate (ΔA2s) and positional tolerance of the bolt hole (X)
| Housing nominal number | ΔA2s | X | ||
|---|---|---|---|---|
| F204 to F210 | FX05 to FX10 | F305 to F310 | +/- 0.5 | 0.7 |
| F211–F218 | FX11–FX20 | F311–F328 | +/- 0.8 | 1 |
Difference in bolt hole diameter dimension (ΔNs)
| Housing nominal number | ΔNs | ||
|---|---|---|---|
| F204–F218 | FX05–FX18 | F305–F315 | +/- 0.2 |
| - | FX20 | F316–F328 | +/- 0.3 |
The shape of the F205JE3 (housing with cast iron cover) is shown below.
Life Calculation
The relationship between the basic rated life of the bearing, the basic dynamic load rating, and the equivalent dynamic load can be expressed by equation (4.1). When the bearing unit is used at a constant rotating speed, it is more convenient to express the lifespan in hours as shown in equation (4.2).
Here,
L10: basic rating lifespan, 106 rotations
L10h: basic rating lifespan, hr
Cr: Basic dynamic load rating, N
Pr: Dynamic equivalent load, N (see 5 Bearing Load)
n: Rotational Speed, min-1
| Part Number |
|---|
| UCF217FDD1K2 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Shaft Bore Dia. d (Ø) | Unit Body Material | Unit, Type | Rolling Element Material | Surface Treatment | Basic Load Rating: Dynamic Load (N) | Basic Load Rating: Static Load (N) | Diameter series symbol | Accessory | Grease Type | Seal | Machining | Stroke | Cover | Seal symbol | Rolling Element Material | Specifications / Environment |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 1,107.78 | 1 Piece(s) | 11 Day(s) or more | 85 | Cast Iron | Insert Bearing Unit | Bearing Steel | No | 84000 | 61900 | Used for Light load | With cast iron cover/One-end sealed type | SH44M | Silicone | No | No | - | - | - | - |
Loading...
Basic Information
| Bearing Unit, Type | Square flange shape | Bearing Inner Dia. Shape | Cylindrical Bore Set Screw Type | Fit | J7 |
|---|
Please check the type/dimensions/specifications of the part UCF217FDD1K2 in the Cast iron square flange mount unit UCF series.
Specification/Dimensions
-
Cover
- Not Included
-
Seal symbol
- Not Included
-
Rolling Element Material
- Bearing steel
-
Specifications / Environment
- Standard
-
type
- UCF
-
Shaft Bore Dia. d(Ø)
-
Unit Body Material
- Cast Iron
- Steel
-
Unit, Type
-
Insert Bearing Unit
-
-
Rolling Element Material
- Bearing Steel
-
Surface Treatment
- No
-
Diameter series symbol
-
Accessory
- No Cover
- With cast iron cover/One-end sealed type
- With cast iron cover/Through type
- With steel plate cover / One-end sealed type
- With steel plate cover / Through type
- With steel plate cover/One-end sealed type
- With steel plate cover/Through type
- Without Cover
- Without cover
-
Grease Type
-
Seal
- Nitrile
- Silicone
- Triple seal
- Triple seals
-
Machining
- Cast iron cover mounting groove
- No
- Not Included
- Oil-free type
- Oil-free type$Steel plate cover-mounting groove
- Steel plate cover-mounting groove
- Steel plate cover mounting groove
-
Stroke
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 5 Day(s) or Less
- 8 Day(s) or Less
- 9 Day(s) or Less
- 10 Day(s) or Less
- 11 Day(s) or Less
- 12 Day(s) or Less
- 14 Day(s) or Less
- 15 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Products like this...
| Part Number |
|---|
| UCF201E1L2 |
| UCF202E1 |
| UCF202E1D1K2 |
| UCF217FDD2K2 |
| UCF217L3 |
| UCF218 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Shaft Bore Dia. d (Ø) | Unit Body Material | Unit, Type | Rolling Element Material | Surface Treatment | Basic Load Rating: Dynamic Load (N) | Basic Load Rating: Static Load (N) | Diameter series symbol | Accessory | Grease Type | Seal | Machining | Stroke | Cover | Seal symbol | Rolling Element Material | Specifications / Environment |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 80.63 | 1 Piece(s) | Available | 11 Day(s) or more | 12 | Cast Iron | Insert Bearing Unit | Bearing Steel | No | 12800 | 6650 | Used for Light load | No Cover | Standard Grease | Triple seals | Steel plate cover mounting groove | No | - | - | - | - | |
MYR 66.80 | 1 Piece(s) | Available | 10 Day(s) or more | 15 | Cast Iron | Insert Bearing Unit | Bearing Steel | No | 12800 | 6650 | Used for Light load | No Cover | Standard Grease | Nitrile | Steel plate cover mounting groove | No | - | - | - | - | |
MYR 102.83 | 1 Piece(s) | Available | 11 Day(s) or more | 15 | Cast Iron | Insert Bearing Unit | Bearing Steel | No | 12800 | 6650 | Used for Light load | No Cover | SH44M | Silicone | Steel plate cover mounting groove | No | - | - | - | - | |
MYR 1,107.78 | 1 Piece(s) | 11 Day(s) or more | 85 | Cast Iron | Insert Bearing Unit | Bearing Steel | No | 84000 | 61900 | Used for Light load | With cast iron cover/One-end sealed type | SH33M | Silicone | No | No | - | - | - | - | ||
MYR 792.23 | 1 Piece(s) | 9 Day(s) or more | 85 | Cast Iron | Insert Bearing Unit | Bearing Steel | No | 84000 | 61900 | Used for Light load | No Cover | Standard Grease | Triple seals | No | No | - | - | - | - | ||
MYR 893.37 | 1 Piece(s) | 8 Day(s) or more | 90 | Cast Iron | Insert Bearing Unit | Bearing Steel | No | 96100 | 71500 | Used for Light load | No Cover | Standard Grease | Nitrile | No | No | - | - | - | - |
Additional Products in this Category
- Cast Iron Diamond Flange Mount Unit, UKFL, Tapered Hole
- Round Flange Mount Unit with Spigot Joint and Set Screws, Cylindrical Hole Shape, UCFC
- Diamond-Flanged Unit, Cylindrical-Bore Type With Set Screws, BLFL Type
- Diamond Flange Mount Unit, Silver Series with Eccentric Wheel, Cylindrical Hole Shape, UFL
- Diamond Flange Mount Unit, Silver Series with Set Screws, Cylindrical Hole Shape, KFL
- Diamond Deformation Flange Mount Unit
- Lightweight Diamond Flange Mount Unit
- THERMALLOY Pillow Diamond Flange Unit
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