Page 118 - SKF-bearing-housings

2.2 SNL and SE plummer block housings for bearings on an adapter sleeve, inch shafts
d a 3 7 /16 – 3 15 /16 in.
87,313 – 100,012 mm

A 2 A 2 A 2
C a

H d a D a
with TSN .. A with TSN .. S
H 1
A 2 A 2

A 1
A

with TSN .. L with TSN .. C with TSN .. ND

Shaft Housing Appropriate parts
diameter Bearing 1) Adapter Locating Seals End cover Width
sleeve 2) ring 3) incl.
seals
d a
A 2
in./mm – – mm
3 7 /16 SNL 520-617 1220 K HA 220 FRB 18/180 TSN 520 A ASNH 520-617 160
87,313 2220 KM HA 320 FRB 12/180 TSN 520 C 160
22220 EK HA 320 FRB 12/180 TSN 520 SA 178
BS2-2220-2CS5K HA 2320 E FRB 7.5/180 TSN 520 NDA 230
23220 CCK/W33 HA 2320 FRB 4.85/180
C 2220 K HA 320 E FRB 12/180
SNL 524-620 1320 K HA 320 FRB 19.5/215 TSN 620 A ASNH 524-620 185
2320 KM HA 2320 FRB 6.5/215 TSN 620 C 185
21320 EK HA 320 FRB 19.5/215 TSN 620 SA 199
22320 EK HA 2320 FRB 6.5/215 TSN 620 NDA 240
C 2320 K HA 2320 FRB 6.5/215
3 1 /2 SNL 520-617 1220 K HE 220 FRB 18/180 TSN 520 A ASNH 520-617 160
88,9 2220 KM HE 320 FRB 12/180 TSN 520 C 160
22220 EK HE 320 FRB 12/180 TSN 520 SE 178
BS2-2220-2CS5K HE 2320 E FRB 7.5/180 TSN 520 NDE 230
23220 CCK/W33 HE 2320 FRB 4.85/180
C 2220 K HE 320 E FRB 12/180
SNL 524-620 1320 K HE 320 FRB 19.5/215 TSN 620 A ASNH 524-620 185
2320 KM HE 2320 FRB 6.5/215 TSN 620 C 185
21320 EK HE 320 FRB 19.5/215 TSN 620 SE 199
22320 EK HE 2320 FRB 6.5/215 TSN 620 NDE 240
C 2320 K HE 2320 FRB 6.5/215
3 15 /16 SNL 522-619 1222 K H 222 FRB 21/200 TSN 522 L ASNH 522-619 175
100,012 2222 KM H 322 FRB 13.5/200 TSN 522 A 175
22222 EK H 322 FRB 13.5/200 TSN 522 C 175
BS2-2222-2CS5K H 2322 E FRB 8.5/200 TSN 522 SA 191
23222 CCK/W33 H 2322 FRB 5.1/200 TSN 522 NDA 250
C 2222 K H 322 E FRB 13.5/200

1) Only the basic bearing designation is listed. Other bearing variants can also fit the housing. 12(00), 22(00), 13(00), self-aligning
ball bearings, 222(00), 213(00), BS2…– spherical roller bearings, C… – CARB toroidal roller bearing
2) The adapter sleeve fits the bearing in the same line only. Other adapter sleeve variants can also be used.
3) The locating ring fits the bearing in the same line only. Two locating rings are required for each housing.
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