Page 72 - SKF-bearing-housings

Split plummer block housings SNL 2, 3, 5 and 6 series

End covers Table 5
H ousings at the end of a shaft should have Seal groove dimensions
an end cover that fits into the seal groove 1°
in the housing.
For applications where temperatures
exceed 110 °C (230 °F), steel end covers
should be used. These can be cut from sheet
A 6
steel and placed in the seal groove. Use a hol- A 5
low silicone rubber cord to hold the cover in
D b D c
place. Seal groove dimensions are provided A 4
in table 5. A 3
Details of the permissible length of the shaft
end are listed in table 6.

U sing sealed bearings
Housing Dimensions
Using sealed bearings in housings with Size A 3 A 4 A 5 A 6 D b D c
standard seals is a good solution for highly
contam inated environments. The sealed bear- – mm
ing together with the housing seal and grease
provide three layers of protection († SKF SNL 205 44 5 7,5 10 36,5 44,5
three-barrier solution, page 39). SNL 206-305 54 5 7,5 10 46,5 54,5
SNL housing seals can be used together SE 207 58 5 8 11 56,5 64,5
with SKF sealed self-aligning bearings. When SE 208-307 61 5 8 11 62 70,5
using taconite heavy-duty seals, a sealed SE 209 59 5 5 9 9 12 67 75,5
72
80,5
SE 210
64
12
bearing does not enhance the sealing effect
during operation, but still protects the bearing SE 211 69 5 5 9 9 12 77 85,5
12
79
95,5
SE 212
87
against contam inants during mounting. SE 213 82 5 9 13 92,5 101
SE 215 87 5 9 13 102,5 111
SNL 216 92 5 9 13 108 116,5
SNL 217 97 5 9 13 112 120,5
SNL 218 112 5 9 13 120 128,5
SNL 505 45 5 7,5 10 31,5 39,5
SNL 506-605 55 5 7,5 10 36,5 44,5
SE 507-606 59 5 8 11 46,5 54,5
SE 508-607 62 5 8 11 51,5 59,5
SE 509 60 5 9 12 56,5 64,5
SE 510-608 65 5 9 12 62 70,5
SE 511-609 70 5 9 12 67 75,5
SE 512-610 80 5 9 12 72 80,5
SE 513-611 83 5 9 13 77 85,5
SE 515-612 88 5 9 13 87 95,5
SNL 516-613 93 5 9 13 92,5 101
SNL 517 98 5 9 13 97,5 106
SNL 518-615 113 5 9 13 102,5 111
SNL 519-616 116 6 10 14 131 141
SNL 520-617 131 6 10 14 137,5 147,5
SNL 522-619 143 6 10 14 147,5 157,5
SNL 524-620 151 6 11 15 157,5 167,5
SNL 526 156 6 11 15 167,5 177,5
SNL 528 171 6 11 15 177,5 187,5
SNL 530 189 6 11 15 192,5 202,5
SNL 532 201 6 11 15 202,5 212,5
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