Page 548 - SKF-bearing-housings

Flanged housings FNL series

Mounting Table 6
Tightening torque values for cover bolts and attachment
FNL housings must be mounted properly using bolts
the appropriate tools and state of the art Housing Cover bolts Attachment bolts
mechanical mounting methods. All the associ- Size Size Tightening Size Tightening
torque
torque 1)
ated components must also meet certain basic
requirements († Specifications for shafts and – – Nm – Nm
housing support surfaces on page 45).
Mounting instructions are provided with the FNL 505 M 5 ¥ 16 6 6 M 10 50
50
M 10
M 5 ¥ 16
FNL 506
housing. For information about mounting roll- FNL 507 M 5 ¥ 16 6 M 12 80
ing bearings, refer to the SKF bearing mainte- FNL 508 M 5 ¥ 16 6 M 12 80
nance handbook or skf.com/mount. FNL 509 M 6 ¥ 20 10 M 12 80
FNL 510 M 6 ¥ 20 10 M 12 80
Torque specifications
FNL 511 M 6 ¥ 20 10 M 12 80
Cover bolts and attachment bolts should be FNL 512 M 6 ¥ 20 10 M 12 80
10
M 6 ¥ 20
FNL 513
80
M 12
tightened to the torque values listed in table 6.
FNL 515 M 8 ¥ 25 24 M 16 200
FNL 516 M 8 ¥ 25 24 M 16 200
FNL 517 M 8 ¥ 25 24 M 16 200
Condition monitoring
FNL 518 M 8 ¥ 25 24 M 16 200
FNL 520 M 10 ¥ 30 47 M 20 385
If connections for condition monitoring FNL 522 M 10 ¥ 30 47 M 20 385
sensors are required, contact SKF.
Accessories
There are several accessories available for
FNL housings, including lubricators, central 1) Recommended by bolt manufacturers
lubrication systems and adapters for grease
fittings. For additional information, refer to
SKF tools and products († page 47).

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