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Rollix 22 0741 01ZZ00 External Gear

BRAND : Rollix

The mounting holes are equispaced

Ne : number of holes in the outer ring
Ni
: number of holesin the inner ring

Tapping depth in the outer ring : 20 mm minimum

G = 4 equispaced grease nipples M8 x 100 mounted on the inner ring

Material : Improved XC 45, code Z

These bearings are also available without drilling.
The references are identical except for the last 2 digits :

Details

The mounting holes are equispaced

Ne : number of holes in the outer ring
Ni
: number of holesin the inner ring

Tapping depth in the outer ring : 20 mm minimum

G = 4 equispaced grease nipples M8 x 100 mounted on the inner ring

Material : Improved XC 45, code Z

These bearings are also available without drilling.
The references are identical except for the last 2 digits :