Page 138 - SKF-bearing-housings

2.3 SNL and SE plummer block housings for bearings on a cylindrical seat
d 95 – 120 mm

A 2
A 2 A 2
C a

4
H d a d b D a d c
with TSN .. S with FS 170
H 1 A 2
A 2

A 1
A

with TSN .. L with TSN .. ND with TSN .. A

Shaft Housing Appropriate parts
diameter Bearing 1) Locating Seals End cover Width
ring 2) incl.
seals
d a
A 2
mm – – mm
95 SNL 522-619 1319 FRB 17.5/200 TSN 319 A ASNH 522-619 175
2319 M FRB 6.5/200 TSN 319 S 191
21319 E FRB 17.5/200 TSN 319 ND 253
22319 E FRB 6.5/200
C 2319 FRB 6.5/200
100 SNL 520-617 1220 FRB 18/180 TSN 220 L ASNH 520-617 160
2220 M FRB 12/180 TSN 220 A 160
22220 E FRB 12/180 TSN 220 S 178
23220 CC/W33 FRB 4.85/180 TSN 220 ND 245
23220-2CS FRB 4.85/180
BS2-2220-2CS5 3) FRB 7.5/180
C 2220 FRB 12/180
SNL 524-620 1320 FRB 19.5/215 TSN 320 A ASNH 524-620 185
2320 M FRB 6.5/215 TSN 320 S 199
21320 E FRB 19.5/215 TSN 320 ND 260
23220 CC/W33 FRB 6.5/215
C 2320 FRB 6.5/215
110 SNL 522-619 1222 FRB 21/200 TSN 222 L ASNH 522-619 175
2222 M FRB 13.5/200 TSN 222 A 175
22222 E FRB 13.5/200 TSN 222 S 191
BS2-2222-2CS5 FRB 8.5/200 TSN 222 ND 255
23222 CC/W33 FRB 5.1/200
C 2222 FRB 13.5/200
120 SNL 524-620 1224 M FRB 22/215 TSN 224 L ASNH 524-620 185
22224 E FRB 14/215 TSN 224 A 185
BS2-2224-2CS5 FRB 8.5/215 TSN 224 S 199
23224 CC/W33 FRB 5/215 TSN 224 ND 270
C 3224 FRB 5/215

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 locating ring fits the bearing in the same line only. Two locating rings are required for each housing.
3) The shaft must be modified according to the d c value for the bearing.
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