Dimensions
| Attachment bolt diameter | 10 mm |
| Shaft diameter | 20 mm |
| Housing overall width | 25.5 mm |
| Width, total | 33.2 mm |
| Centre distance between bolt holes | 64 mm |
| Bearing width, total | 31 mm |
Performance
| Basic dynamic load rating | 12.7 kN |
| Basic static load rating | 6.7 kN |
| Limiting speed | 6 500 r/min |
| Note | Limiting speed with shaft tolerance h6 |
Properties
| Housing type | Flanged |
| Flanged housing type | Square |
| Number of bolt holes for fasteners | 4 |
| Fastening bolt hole type | Plain |
| Retaining feature, inner ring | Set screws |
| Bore type | Cylindrical |
| Rubber seating ring | Without |
| Material, housing | Cast iron |
| Material, bearing | Bearing steel |
| Coating | Without |
| Sealing, bearing | Seal and flinger on both sides |
| Sealing type | Contact, standard |
| Sealing, unit | Optional end cover |
| Lubricant | Grease |
| Relubrication hole | With |
| Grease fitting | With |
Logistics
| Product net weight | 0.51 kg |
| eClass code | 23-05-16-02 |
| UNSPSC code | 31171536 |
FLANGE TYPE BEARING UNIT UCF 204
| Compliance with standard |
JIS
|
| Purpose specific |
For material handling applications
|
| Material, housing |
Cast iron
|
| Sealing, bearing |
Seal and flinger on both sides
|
| Sealing type, bearing |
Contact, standard
|
| Sealing, unit |
Optional end cover
|
| Coating |
Without
|
Dimensions
| d |
20 mm
|
Bore diameter |
| d1 |
≈28.7 mm
|
Outer diameter of inner ring |
| A |
25.5 mm
|
Width of housing |
| A1 |
11 mm
|
Flange width |
| A5 |
20.5 mm
|
Standout of end cover |
| B |
31 mm
|
Width of inner ring |
| B4 |
5 mm
|
Distance from locking device side face to thread centre |
| Db1 |
60 mm
|
Top external diameter |
| J |
64 mm
|
Centre distance between bolt holes |
| L |
86 mm
|
Overall length |
| N |
12 mm
|
Diameter of attachment bolt hole |
| s1 |
18.3 mm
|
Distance from locking device side face to raceway centre |
| T |
33.2 mm
|
Overall width |
| Threaded hole |
| RG |
1/4-28 UNF
|
Housing thread for grease fitting |
| R1 |
17 mm
|
Axial position of the housing thread |
| Grease fitting |
| DN |
6.6 mm
|
Diameter of head sphere of grease fitting |
| SWN |
7.94 mm
|
Hexagonal key size for the grease fitting |
| GN |
1/4-28 UNF
|
Thread of grease fitting |
Calculation data
| Basic dynamic load rating |
C |
12.7 kN
|
| Basic static load rating |
C0 |
6.7 kN
|
| Fatigue load limit |
Pu |
0.285 kN
|
| Limiting speed |
|
6 500 r/min
|
| |
|
Limiting speed with shaft tolerance h6
|
Mounting information
| Set screw |
G2 |
M6x1
|
| Hexagonal key size for set screw |
|
3.05 mm
|
| Recommended tightening torque for set screw |
|
4 N·m
|
| Recommended diameter for attachment bolts, mm |
G |
10 mm
|
| Recommended diameter for attachment bolts, inch |
G |
0.375 in
|
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