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High Precision Sn522 Plummer Block , Skf Snl 522 Plummer Housing
Type: | Plummer Housing | Material: | Cast Iron |
---|---|---|---|
Vibration Level: | V1, V2, V3, V4 | Service: | OEM & ODM Service |
High Light: | sofn plummer block,skf plummer block |
High precision rolling bearing housing/plummer block SN522
Choice of seals
There is a choice of two standard seals for each housing and other special seals can be incorporated (fig). End covers are also available.
Reinforced base
The housing base is reinforced with ribs and extra material surrounding the four holes for the attachment bolts in order to improve seating on the base plate. The attachment bolts can be preloaded to give better location and cannot deform the housing base or housing bore (fig).
Good heat conduction
The reinforcement of the housing base means that there is a considerable area of contact between the base and base plate making for improved heat flow away from the bearing (fig).
Relubrication facility
The large SNL housings have three drilled and tapped holes that are plugged by metal screws. Two of the holes are in the housing cap (fig) and one is in the side face. Two grease nipples with covers as well as one adapter with G 1/8 and G 1/4 threads are supplied with each housing. Dimples cast into the cap mark the positions for grease nipples if it is required to relubricate the seals.
Space for sensor connections
Flat areas offer space to accommodate sensors for condition monitoring (fig). Housings with tapped holes can be supplied to order.
Caps and bases individually marked
The housing base and cap are matched during manufacture and are not interchangeable with those of other housings. To prevent mixing, the same consecutive number is marked on the cap and base of each individual housing (fig).
Easy mounting
Cap bolts are easy to unscrew. Notches to pry the cap from the base ease cap removal. The rectangular base and centring marks that are vertical to the housing bore axis simplify alignment (fig). Dimples mark the positions for dowels.
Mounting instructions are also supplied with each housing.
Split plummer block housings, SNL series for bearings on an adapter sleeve, with standard seals | ||||||||||||||||
shaft | Appropriate bearings | Housings | ||||||||||||||
(basic designations) | Boundary dimensions | Mass | Designations | |||||||||||||
Aligning ball bearings | Spherical roller bearings | CARB | Housings only | Housing complete with | ||||||||||||
da | Bearing | Bearing | Bearing | A | L | H | H1 | Lip seals | V-ring seals | Lybyrinth seals | Taconite | |||||
Seals | ||||||||||||||||
mm | - | mm | kg | - | ||||||||||||
88,9 | 1220 K | 2220 K | 22220 K | 23220 K | C 2220 K | 160 | 380 | 218 | 112 | 17,6 | SNL 520-617 | - | SNL 520 TA | SNL 520 TSE | - | |
88,9 | 1320 K | 2320 K | 21320 K | 22320 K | C 2320 K | 185 | 410 | 271 | 140 | 26,2 | SNL 524-620 | - | SNL 620 TA | SNL 620 TSE | - | |
88,9 | 1320 K | 2320 K | 21320 K | 22320 K | C 2320 K | 185 | 410 | 271 | 140 | 26,2 | FSNL 524-620 | - | FSNL 620 TA | FSNL 620 TSE | - | |
90 | 1220 K | 2220 K | 22220 K | 23220 K | C 2220 K | 160 | 380 | 218 | 112 | 17,6 | SNL 520-617 | SNL 520 TL | SNL 520 TA | SNL 520 TS | SNL 520 TND | |
90 | 1220 K | 2220 K | 22220 K | 23220 K | C 2220 K | 160 | 380 | 218 | 112 | 17,6 | FSNL 520-617 | FSNL 520 TL | FSNL 520 TA | FSNL 520 TS | FSNL 520 TND | |
90 | 1320 K | 2320 K | 21320 K | 22320 K | C 2320 K | 185 | 410 | 271 | 140 | 26,2 | SNL 524-620 | SNL 620 TL | SNL 620 TA | SNL 620 TS | SNL 620 TND | |
90 | 1320 K | 2320 K | 21320 K | 22320 K | C 2320 K | 185 | 410 | 271 | 140 | 26,2 | FSNL 524-620 | FSNL 620 TL | FSNL 620 TA | FSNL 620 TS | FSNL 620 TND | |
100 | 1222 K | 2222 K | 22222 K | 23222 K | C 2222 K | 175 | 410 | 242 | 125 | 22,0 | SNL 522-619 | SNL 522 TL | SNL 522 TA | SNL 522 TS | SNL 522 TND | |
100 | 1222 K | 2222 K | 22222 K | 23222 K | C 2222 K | 175 | 410 | 242 | 125 | 22,0 | FSNL 522-619 | FSNL 522 TL | FSNL 522 TA | FSNL 522 TS | FSNL 522 TND | |
101,6 | 1222 K | 2222 K | 22222 K | 23222 K | C 2222 K | 175 | 410 | 242 | 125 | 22,0 | SNL 522-619 | SNL 522 TL | SNL 522 TA | SNL 522 TSE | - | |
101,6 | 1222 K | 2222 K | 22222 K | 23222 K | C 2222 K | 175 | 410 | 242 | 125 | 22,0 | FSNL 522-619 | FSNL 522 TL | FSNL 522 TA | FSNL 522 TSE | - | |
106,362 | 1224 K | - | 22224 K | 23224 K | C 3224 K | 185 | 410 | 271 | 140 | 26,2 | SNL 524-620 | - | SNL 524 TA | SNL 524 TSA | - | |
106,362 | 1224 K | - | 22224 K | 23224 K | C 3224 K | 185 | 410 | 271 | 140 | 26,2 | FSNL 524-620 | - | FSNL 524 TA | FSNL 524 TSA | - | |
107,95 | 1224 K | - | 22224 K | 23224 K | C 3224 K | 185 | 410 | 271 | 140 | 26,2 | SNL 524-620 | - | SNL 524 TA | SNL 524 TSE | - | |
107,95 | 1224 K | - | 22224 K | 23224 K | C 3224 K | 185 | 410 | 271 | 140 | 26,2 | FSNL 524-620 | - | FSNL 524 TA | FSNL 524 TSE | - | |
110 | 1224 K | - | 22224 K | 23224 K | C 3224 K | 185 | 410 | 271 | 140 | 26,2 | FSNL 524-620 | FSNL 524 TL | FSNL 524 TA | FSNL 524 TS | FSNL 524 TND | |
110 | 1224 K | - | 22224 K | 23224 K | C 3224 K | 185 | 410 | 271 | 140 | 26,2 | SNL 524-620 | SNL 524 TL | SNL 524 TA | SNL 524 TS | SNL 524 TND | |
112,713 | - | - | 22226 K | 23226 K | C 2226 K | 190 | 445 | 290 | 150 | 33,0 | SNL 526 | - | SNL 526 TA | SNL 526 TSA | - | |
112,713 | - | - | 22226 K | 23226 K | C 2226 K | 190 | 445 | 290 | 150 | 33,0 | FSNL 526 | - | FSNL 526 TA | FSNL 526 TSA | - | |
114,3 | - | - | 22226 K | 23226 K | C 2226 K | 190 | 445 | 290 | 150 | 33,0 | FSNL 526 | FSNL 526 TL | FSNL 526 TA | FSNL 526 TSE | - | |
114,3 | - | - | 22226 K | 23226 K | C 2226 K | 190 | 445 | 290 | 150 | 33,0 | SNL 526 | SNL 526 TL | SNL 526 TA | SNL 526 TSE | - | |
115 | - | - | 22226 K | 23226 K | C 2226 K | 190 | 445 | 290 | 150 | 33,0 | SNL 526 | SNL 526 TL | SNL 526 TA | SNL 526 TS | SNL 526 TND | |
115 | - | - | 22226 K | 23226 K | C 2226 K | 190 | 445 | 290 | 150 | 33,0 | FSNL 526 | FSNL 526 TL | FSNL 526 TA | FSNL 526 TS | FSNL 526 TND | |
125 | - | - | 22228 K | 23228 K | C 2228 K | 205 | 500 | 302 | 150 | 40,0 | FSNL 528 | FSNL 528 TL | FSNL 528 TA | FSNL 528 TS | FSNL 528 TND | |
125 | - | - | 22228 K | 23228 K | C 2228 K | 205 | 500 | 302 | 150 | 40,0 | SNL 528 | SNL 528 TL | SNL 528 TA | SNL 528 TS | SNL 528 TND |