The UCF2 is a square-housing spherical roller bearing unit, featuring a high-quality cast iron square housing integrally moulded with a precision spherical roller bearing. It offers self-aligning capabilities to compensate for misalignment during installation, whilst its sealed design provides protection against dust and contaminants. It delivers smooth operation, high load-carrying capacity, wear resistance and a long service life, and is simple to install and secure. It is suitable for a wide range of light industrial machinery, conveying equipment, agricultural machinery and general-purpose transmission equipment. Designed for standard industrial environments such as dusty or moderately humid and warm conditions, it serves as a standard bearing component for supporting equipment shafts.
| Shaft Diameter (mm, inch) | Bearing Unit Model | Dimensions (mm, inch) | Mounting Bolt Specifications (mm) | Bearing Designation | Housing Outer Model | Bearing Unit Model with Steel Cover | Bearing Unit Model with Cast Iron Cover | Dimensions (mm, inch) | Bearing Unit Weight (kg) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L | J | A2 | A1 | A | N | A0 | B | S | t (Maximum) | A4 | A5 | UCF | Z (ZM) | C (CM) | |||||||
| 3 1/2 | UCF218-308D1 | 9 1/4 | 7 23/64 | 1 37/64 | 15/16 | 2 11/16 | 29/32 | 3 51/64 | 3.78 | 1.563 | 3/4 | UC218-308D1 | F218D1 | - | C(CM)-UCF218-308D1 | 13/64 | - | 4 13/16 | 24 | - | 33 |
| 90 | UCF218D1 | 235 | 187 | 40 | 24 | 68 | 23 | 96.3 | 96 | 39.1 | M20 | UC218D1 | F218D1 | - | C(CM)-UCF218D1 | 5 | - | 122 | 11 | - | 15 |
| 3 7/16 | UCF217-307D1 | 8 21/32 | 6 57/64 | 1 27/64 | 15/16 | 2 15/32 | 29/32 | 3 9/64 | 3.374 | 1.343 | 3/4 | UC217-307D1 | F21701 | - | C(CM)-UCF217-307D1 | 13/16 | - | 4 1/2 | 21 | - | 26 |
| 3 5/16 | UCF217-305D1 | 8 21/32 | 6 57/64 | 1 27/64 | 15/16 | 2 15/32 | 29/32 | 3 9/64 | 3.374 | 1.343 | 3/4 | UC217-305D1 | F217D1 | - | C(CM)-UCF217-305D1 | 13/16 | - | 4 1/2 | 21 | - | 26 |
| 3 1/4 | UCF217-304D1 | 8 21/32 | 6 57/64 | 1 27/64 | 15/16 | 2 15/32 | 29/32 | 3 9/64 | 3.374 | 1.343 | 3/4 | UC217-304D1 | F217D1 | - | C(CM)-UCF217-304D1 | 13/16 | - | 4 1/2 | 21 | - | 26 |
| 85 | UCF217D1 | 220 | 175 | 36 | 24 | 63 | 23 | 87.6 | 85.7 | 34.1 | M20 | UC217D1 | F217D1 | - | C(CM)-UCF217D1 | 5 | - | 114 | 9.3 | - | 12 |
| 3 3/16 | UCF216-303D1 | 8 3/16 | 6 1/2 | 1 11/32 | 7/8 | 2 9/32 | 29/32 | 3 9/32 | 3.252 | 1.31 | 3/4 | UC216-303D1 | F216D1 | - | C(CM)-UCF216-303D1 | 5/32 | - | 4 3/4 | 18 | - | 22 |
| 3 1/8 | UCF216-302D1 | 8 3/16 | 6 1/2 | 1 11/32 | 7/8 | 2 9/32 | 29/32 | 3 9/32 | 3.252 | 1.31 | 3/4 | UC216-302D1 | F216D1 | - | C(CM)-UCF216-302D1 | 5/32 | - | 4 3/4 | 18 | - | 22 |
| 3 1/16 | UCF216-301D1 | 8 3/16 | 6 1/2 | 1 11/32 | 7/8 | 2 9/32 | 29/32 | 3 9/32 | 3.252 | 1.31 | 3/4 | UC216-301D1 | F216D1 | - | C(CM)-UCF216-301D1 | 5/32 | - | 4 3/4 | 18 | - | 22 |
| 80 | UCF216D1 | 208 | 165 | 34 | 22 | 58 | 23 | 83.3 | 82.6 | 33.3 | M20 | UC216D1 | F216D1 | - | C(CM)-UCF216D1 | 4 | - | 106 | 8.1 | - | 10 |
| 3 | UCF215-300D1 | 7 7/8 | 6 17/64 | 1 11/32 | 7/8 | 2 7/32 | 3/4 | 3 3/32 | 3.063 | 1.31 | 5/8 | UC215-300D1 | F215D1 | - | C(CM)-UCF215-300D1 | 5/32 | - | 4 1/32 | 15 | - | 19 |
| 2 15/16 | UCF215-215D1 | 7 7/8 | 6 17/64 | 1 11/32 | 7/8 | 2 7/32 | 3/4 | 3 3/32 | 3.063 | 1.31 | 5/8 | UC215-215D1 | F215D1 | - | C(CM)-UCF215-215D1 | 5/32 | - | 4 1/32 | 15 | - | 19 |
| 2 7/8 | UCF215-214D1 | 7 7/8 | 6 17/64 | 1 11/32 | 7/8 | 2 7/32 | 3/4 | 3 3/32 | 3.063 | 1.31 | 5/8 | UC215-214D1 | F215D1 | - | C(CM)-UCF215-214D1 | 5/32 | - | 4 1/32 | 15 | - | 19 |
| 2 13/16 | UCF215-213D1 | 7 7/8 | 6 17/64 | 1 11/32 | 7/8 | 2 7/32 | 3/4 | 3 3/32 | 3.063 | 1.31 | 5/8 | UC215-213D1 | F215D1 | - | C(CM)-UCF215-213D1 | 5/32 | - | 4 1/32 | 15 | - | 19 |
| 75 | UCF215D1 | 200 | 159 | 34 | 22 | 56 | 19 | 78.5 | 77.8 | 33.3 | M16 | UC215D1 | F215D1 | - | C(CM)-UCF215D1 | 4 | - | 102 | 6.9 | - | 8.6 |
| 2 3/4 | UCF214-212D1 | 7 19/32 | 5 63/64 | 1 7/32 | 7/8 | 1 1/8 | 3/4 | 2 31/32 | 2.937 | 1.189 | 5/8 | UC214-212D1 | F214D1 | - | C(CM)-UCF214-212D1 | 5/32 | - | 3 27/32 | 13 | - | 17 |
| 2 11/16 | UCF214-211D1 | 7 19/32 | 5 63/64 | 1 7/32 | 7/8 | 1 1/8 | 3/4 | 2 31/32 | 2.937 | 1.189 | 5/8 | UC214-211D1 | F214D1 | - | C(CM)-UCF214-211D1 | 5/32 | - | 3 27/32 | 13 | - | 17 |
| 2 5/8 | UCF214-21001 | 7 19/32 | 5 63/64 | 1 7/32 | 7/8 | 1 1/8 | 3/4 | 2 31/32 | 2.937 | 1.189 | 5/8 | UC214-210D1 | F214D1 | - | C(CM)-UCF214-210D1 | 5/32 | - | 3 27/32 | 13 | - | 17 |
| 70 | UCF214D1 | 193 | 152 | 31 | 22 | 54 | 19 | 75.4 | 64.6 | 30.2 | M16 | UC214D1 | F214D1 | - | C(CM)-UCF214D1 | 4 | - | 98 | 6.1 | - | 7.8 |
| 2 9/16 | UCF213-209D1 | 7 3/8 | 5 55/64 | 1 3/16 | 7/8 | 1 31/32 | 3/4 | 2 3/4 | 2.563 | 1 | 5/8 | UC213-209D1 | F213D1 | Z(ZM)-UCF213-209D1 | C(CM)-UCF213-209D1 | 5/32 | 3 | 3 17/32 | 12 | 13 | 16 |
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