| Housing material | Cast iron | |||


| d | 45 | mm | |
| A | 39 | mm | |
| A1 | 14 | mm | |
| A3 | H14 | 3.2 | mm |
| A5 | 23 | mm | |
| B | 49.2 | mm | |
| B4 | 8 | mm | |
| Da | H11 | 98.4 | mm |
| Db1 | 102 | mm | |
| Db2 | 111 | mm | |
| J | 148.5 | mm | |
| H | 178.5 | mm | |
| L | 111 | mm | |
| N | 16 | mm | |
| s1 | 30.2 | mm | |
| T | 54.2 | mm | |
| Threaded hole | |||
| RG | 1/4-28 UNF | ||
| R1 | 24.5 | mm | |
| Ra | 45 | ° | |
| Grease fitting | |||
| DN | 6.5 | mm | |
| SWN | 7 | mm | |
| GN | 1/4-28 SAE-LT | ||
| Dowel pins | |||
| J6 | 120.5 | mm | |
| J7 | 18 | mm | |
| N4 | 2 | mm | |
| Basic dynamic load rating | C | 33.2 | kN | |
| Basic static load rating | C0 | 21.6 | kN | |
| Fatigue load limit | Pu | 0.915 | kN | |
| Limiting speed | 4300 | r/min |
(with shaft tolerance h6)
| Mass bearing unit | 1.7 | kg |
| Thread grub screw | G2 | M8x1 | ||
| Hexagonal key size for grub screw | N | 4 | mm | |
| Recommended tightening torque for grub screw | 6.5 | N·m | ||
| Recommended diameter for attachment bolts, mm | G | 14 | mm | |
| Recommended diameter for attachment bolts, inch | G | 0.5625 | in | |
| Housing | ||||
| Bearing | ||||
| End cover | ||||
| Model No. | Inner Diameter | Outer Diameter | Width | Type |
| 18790/18720 | 50.8 | 85 | 17.462 | Bearings, units and housings |
|---|---|---|---|---|
| 18879 | 47.625 | 79.38 | 7.95 | Seals |
| 2315 K + H 2315 | 65 | 160 | 55 | Bearings, units and housings |
| 25x37x6 HMSA10 RG | 25 | 37 | 6 | Seals |
| 470951 | 911 | - | - | Seals |
| 6935 | 17.4752 | 38.07 | 6.35 | Seals |
| 99152 | 38.6842 | 47.2186 | 14.3002 | Seals |
| NJ 2209 ECNJ | 45 | 85 | 23 | Bearings, units and housings |
| K 65x70x20 | 65 | 70 | 20 | Bearings, units and housings |
| NCF 3017 CV | 85 | 130 | 34 | Bearings, units and housings |
| NJ 2213 ECJ | 65 | 120 | 31 | Bearings, units and housings |
| RNAO 40x50x17 | 40 | 50 | 17 | Bearings, units and housings |
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