What is the primary use of this hook spanner?

It is designed for tightening and loosening lock nuts when mounting and adjusting bearings on shafts, adapter sleeves, and withdrawal sleeves.

Is the handle resistant to oils and grease?

Yes, the sturdy plastic handle resists oil, grease, and dirt to ensure a secure and comfortable grip.

Can the SKF HN 7 be used inside SKF SNL housings?

No, working inside SNL plummer block housings requires the specialized HN 7/SNL model.

SKF HN 7 hook spanner

Supplier number: SKF HN 7 | EAN 7316576610769

37.40 tax incl.

€30.91 excl. VAT (incl. all environmental contributions)

On order: delivered from 07/10/2026

Ordered before 20:00 - delivered as of 07/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

↓ Documents (1) ✆ Talk to a specialist

Precise adjustment of lock nuts

Practical benefits

Skf HN 7 spanner wrench: You securely tighten and loosen lock nuts with an outer diameter from 52 to 55 mm without damage.
High leverage in tight spaces: The slim profile allows you to exert maximum force even within restricted machine housings.
Oil and grease resistant grip: The durable plastic handle resists contaminants so you always maintain a confident and steady hold.

In a nutshell

The right choise for

With the Skf hn 7 hook spanner, you mount and adjust rolling bearings on shafts, adapter sleeves, and withdrawal sleeves accurately and without damage. This spanner provides an exact fit for lock nuts with an outer diameter of 52 to 55 mm, including km 7, kmk 7, kmfe 7, kmt 6, kmt 7, n 07, and din 1804 (M28x1.5 to M35x1.5). Its slim profile delivers maximum leverage even in restricted machine spaces. Equipped with a sturdy, oil- and grease-resistant plastic handle, it ensures a secure and confident grip throughout all maintenance and overhaul operations.

Product information FAQ

€37.40

tax incl.

Key features according to our expert

Product description

The SKF Hook spanner, size 7, is designed for easy tightening and loosening of lock nuts. They are used to secure and adjust bearings on tapered journals, adapter sleeves and withdrawal sleeves. They fit on a variety of lock nuts with outer diameter(s) 52 - 55 mm. To be more specific for locknuts: KM 7, KMK 7, KMFE 7, KMT 6, KMT 7, N 07 and M28x1,5, M30x1,5, M32x1,5, M35x1,5 (DIN 1804).

Optimised design allow use in narrow spaces while maintaining maximum force
Sturdy plastic handle that is oil, dirt and grease resistant to provide a better grip
Drilled hole for easy hanging storage
Laser-engraved designation for easy identification
They fit on a variety of locknuts with outer diameter(s) 52 - 55mm
Available as part of the set HN 4-16/SET, supplied in a handy tool case

Documents

⤓ Technical data sheet PDF

All Features

Coating: Black phosphated
Fits on lock nuts inside skf split pillow block housings (snl): No
Outer diameter lock nut range: 52 to 55 mm
Part of a kit: Yes, HN 4-16/SET
Minimum number of lock nut slots: 1
Spanner following din 1810 size: 52 to 55 mm
Material handle: Durable soft plastic
Allows bearing mounting: Yes, angle method or with clearance reduction measurement
Material: Medium carbon steel, hardened and tempered
Thickness: 6
Length: 208
Color code: Black, with red handle
Working length: 180

Brand SKF
01900038
EAN 7316576610769
Supplier number SKF HN 7

Frequently asked questions about this product

Answered by specialists

Which lock nuts are compatible with the SKF HN 7?: It fits lock nuts with an outer diameter of 52 to 55 mm, including KM 7, KMK 7, KMFE 7, KMT 6, KMT 7, N 07, and DIN 1804 (M28x1.5 to M35x1.5).
What is the primary use of this hook spanner?: It is designed for tightening and loosening lock nuts when mounting and adjusting bearings on shafts, adapter sleeves, and withdrawal sleeves.
Is the handle resistant to oils and grease?: Yes, the sturdy plastic handle resists oil, grease, and dirt to ensure a secure and comfortable grip.
Can the SKF HN 7 be used inside SKF SNL housings?: No, working inside SNL plummer block housings requires the specialized HN 7/SNL model.