| Dimensions (metric) | d | 55 | ![]() |
| D | 120 | ||
| E | 104.5 | ||
| B | 29 | ||
| Approx. Wgt. lbs | 3.600 | ||
| Interchange | FAG | N 311 | |
| HOFF | R 355 | ||
| Hyatt | BU 1311 Z | ||
| Rollway (Bronze Cage) | MCS 311 | ||
| Rollway (Steel Cage) | RCS 311 | ||
| SKF | N 311 | ||
| STEYR | N 311 | ||
| Torrington | - | ||
| * "E" dimension equal to FAG and SKF. Other manufacturers "E" dimensions may vary. 1) The above series is available with either: Stamped steel or glass fibre cage - No suffix. Machined bronze cage - suffix "M". 2) Sizes are also available with higher radial load capacity - suffix "E". 3) These bearings are available in C/2, C/3, C/4, W/23 and C/5 internal clearance. 4) Some sizes are available in ABEC #3 (P/6) precision. | |||
| Model No. | Inner Diameter | Outer Diameter | Width | Brand | Type |
| 20236-MB | 180 | 320 | 52 | FAG | Spherical Roller Bearings |
|---|---|---|---|---|---|
| 778/772 | 92,075 | 180,975 | 47,625 | KOYO | Tapered Roller Bearings |
| 51316 | 80 | 140 | 44 | ISB | Thrust Ball Bearings |
| 6205-Z | 25 | 52 | 15 | ISB | Deep Groove Ball Bearings |
| 6332M | 160,000 | 340,000 | 68,000 | SNR | Deep Groove Ball Bearings |
| CEX206-18 | 28,575 | 62 | 48,4 | SNR | Deep Groove Ball Bearings |
| D/W R144 | 3,175 | 6,35 | 2,38 | SKF | Deep Groove Ball Bearings |
| E2.YAR207-105-2F | 33,338 | 72 | 42,9 | SKF | Deep Groove Ball Bearings |
| FYJ 50 TF | 50 | 40 | 15 | SKF | Bearing Units |
| GE45KPPB4 | 45 | 85 | 42,86 | Timken | Deep Groove Ball Bearings |
| GYM1115KRRB | 49,2125 | 100 | 55,55 | Timken | Deep Groove Ball Bearings |
| K 35x43x18 | 35 | 43 | NBS | Needle Roller Bearings | |
| NU3080 | 400 | 600 | 148 | TMB | Cylindrical Roller Bearings |
| NUP336 | 180 | 380 | 75 | NTN | Cylindrical Roller Bearings |
| NAX3530 | 47 | 35 | FAG (Old No.) | NEEDLE BEARINGS | |
| 20208 | 40 | 80 | 18 | SKF | SPHERICAL ROLLER BEARINGS |
| KC047XPO | 4.7500 | 5.5000 | .3750 | KAYDON | FOUR POINT ANGULAR CONTACT BALL BEARINGS |
| SN606 | 25 | 52 | STEYR | PILLOW BLOCKS | |
| HJ-215E | 75 | 7 | CONSOLIDATED | CYLINDRICAL ROLLER BEARINGS | |
| SN-609..2309-K | 40 | 70 | CONSOLIDATED | PILLOW BLOCKS |
Hot number:ISO 24056W33 CRAFT CRF-33021 A FAG FW9180 KOYO RP455236A FBJ MR83ZZ SKF NJ 18/1320 ECMA Timken NP202864/HM89411 CX TUF1 25.215 FAG L10QA308 INA TWC4458 FAG 6004 NSK NBX20319 SKF NF321 SKF 2920 CONSOLIDATED HMS-3064 Fersa 31307F NACHI 52230 CYSD 7019DF SNR 71934CVUJ74 FBJ 95500/95905 Timken K26X30X13 CRAFT HK172514 RHP LLRJ1 KOYO MK1071 SKF NK65/35 ISO SL182215 General 21507-00 SKF S7003CDGAP4A SKF RLS-7-2Z NSK NBA12012
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