| Housing material | Cast iron | |||


| d | 30 | mm | |
| A | 32.5 | mm | |
| A1 | 13 | mm | |
| A3 | H14 | 3.2 | mm |
| A5 | 20 | mm | |
| B | 38.1 | mm | |
| Da | H11 | 93.7 | mm |
| Db1 | 76 | mm | |
| Db2 | 84 | mm | |
| J | 82.5 | mm | |
| L | 108 | mm | |
| N | 11.5 | mm | |
| s1 | 22.2 | mm | |
| T | 42.2 | mm | |
| Threaded hole | |||
| RG | 1/4-28 UNF | ||
| R1 | 21 | mm | |
| Grease fitting | |||
| DN | 6.5 | mm | |
| SWN | 7 | mm | |
| GN | 1/4-28 SAE-LT | ||
| Dowel pins | |||
| J6 | 96 | mm | |
| J7 | 24.5 | mm | |
| N4 | 4 | mm | |
| Basic dynamic load rating | C | 19.5 | kN | |
| Basic static load rating | C0 | 11.2 | kN | |
| Fatigue load limit | Pu | 0.475 | kN | |
| Limiting speed | 6300 | r/min |
(with shaft tolerance h6)
| Mass bearing unit | 1 | kg |
| Thread grub screw | G2 | M6x0.75 | ||
| Hexagonal key size for grub screw | N | 3 | mm | |
| Recommended tightening torque for grub screw | 4 | N·m | ||
| Recommended diameter for attachment bolts, mm | G | 10 | mm | |
| Recommended diameter for attachment bolts, inch | G | 0.375 | in | |
| Housing | ||||
| Bearing | ||||
| End cover | ||||
| Model No. | Inner Diameter | Outer Diameter | Width | Type |
| 12531 | 31.75 | 52.37 | 6.35 | Seals |
|---|---|---|---|---|
| 19820 | 50.8 | 69.9 | 4.78 | Seals |
| BT4B 331334/HA4 | 1139.825 | 1509.712 | - | Bearings, units and housings |
| FSAF 1515 x 2.3/8 TLC | 60.325 | - | - | Bearings, units and housings |
| FY 2.15/16 UTF | 74.613 | - | - | Bearings, units and housings |
| HK 3020 | 30 | 37 | 20 | Bearings, units and housings |
| NUH 2334 ECMH/PEX | 170 | 360 | 120 | Bearings, units and housings |
| OKC 130 | 130 | - | ||
| PCM 121420 E | 12 | 14 | 20 | Bearings, units and housings |
| PCZ 4832 E | 76.2 | 80.9625 | 50.8 | Bearings, units and housings |
| RN-4x11.8 BF/G2 | - | - | 4 | Bearings, units and housings |
| SNP 3188x16.1/2 | 419.1 | 440 | 300.1518 | Bearings, units and housings |
Hot number:
595637
7017 ACD/HCP4AH1
81272 M
BT4B 328725 G/HA1
NNU 4984 BK/SPW33
NU 416
OKC 790
PSM 223230 A51
S7022 CD/HCP4A
SNL 3040 TURA
SC 50 ES
SCF 30 ES
SNL 3048 ATURT
SSAFS 22528 x 4.7/8 TLC
WS 89328
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