Röhm KRF

Lever scroll chucks
KRF - actuation by turning the clamping ring

APPLICATION
3- and 4-jaw chuck for positioning and conveying workpieces, e.g. on measuring machines.

TYPE
Lever scroll chuck in cast iron version.
3-jaw and 4-jaw version.

TECHNICAL FEATURES
- 6 jaw chuck for grinding twist drills on request available

CUSTOMER BENEFITS
» Easy clamping of the workpiece by turning the clamping ring
» Sizes 125 - 200: incl. 4 setscrews for fine adjustment
» Cast iron body
» Jaws in chuck ground out for concentricity

A09
Lever scroll chuck KRF, cylindrical centre mount

Size	ZA	Through-hole mm	3-jaw chuck with inside and outside jaw	4-jaw chuck with inside and outside jaw	Torque Nm	Total clamping force kN
70	48	16	148793¹⁾	148794	12	2.5
110	75	26	148757	148772	26	3.2
125	70	35	150757	150758	36	3.5
160	78.5	52	150759	150760	50	4
200	115	64	150761	150762	60	4.5

¹⁾ Jaws reversible
Sizes 125 - 200: 4 setscrews for fine adjustment
Further sizes and mountings available on request

Lever scroll chucks
KRF - on base plate

APPLICATION
3-jaw chuck with base plate for positioning and conveying workpieces, e.g. on measuring machines.

TYPE
Lever scroll chuck in cast iron version.

TECHNICAL FEATURES
- Size 70 with reversible jaws - Mounting screws	- Mounted in the chuck with one set of jaws stepped outward (BB) - One set of jaws stepped inward (DB)

CUSTOMER BENEFITS
» Easy clamping of the workpiece by turning the clamping ring
» Sizes 125 - 200: incl. 4 setscrews for fine adjustment
» Cast iron body

A09
Lever scroll chucks with base plate, 3-jaw-chuck cast iron body

Item no.	Size	Through-hole mm	D Nm	Torque Nm	Total clamping force kN
150595¹⁾	70	16	46.4	12	2.5
150596	110	26	50	26	3.2
150597	125	35	59	36	3.5
150598	160	52	59	50	4
150599	200	64	69	60	4.5

¹⁾ Jaws reversible
Further sizes and mountings available on request

Jaws KRF

A09
Inside jaw BB, DIN 6350, outward stepped jaw, hardened

Chuck Size	3-jaw set	4-jaw set	Jaw length mm	Jaw height mm	Jaw width mm
70	110154¹⁾	149305	32	23	10
110	110156	110064	48	33.5	14
125	110157	110065	52	41.5	18
160	110159	110067	61	47.5	18
200	110160	110068	69	53.5	20

¹⁾ Reversible for use a turning or inside jaw
Additionally or later applied, hardened stepped jaws must be ground out in the chuck.
For jaws which are applied later, send in the chuck.

A09
Outside jaw DB, DIN 6350, inward stepped jaw, hardened

Chuck Size	3-jaw set	4-jaw set	Jaw length mm	Jaw height mm	Jaw width mm
70/110	110166	110074	48	33.5	14
125	110167	110075	52	41.5	18
160	110169	110077	61	47.5	18
200	110170	110078	69	53.5	20

Additionally or later applied, hardened stepped jaws must be ground out in the chuck.
For jaws which are applied later, send in the chuck.

A09
Unstepped jaw BL, DIN 6350, unstepped, soft, material 16MnCr5

Chuck Size	3-jaw set	4-jaw set	Jaw length mm	Jaw height mm	Jaw width mm
70	109114¹⁾	149304¹⁾	32	23	10
110	107589	107599	48	33.5	14
125	107590	107600	52	41.5	18
160	107592	107602	61	47.5	18
200	107593	107603	69	53.5	20

¹⁾ Reversible

Accessories KRF

A09
Chip guard, piece


Item no.	Size	Contents of delivery
108501	100/110	piece
108502	125	piece
108503	140/160	piece
108504	200	piece

C15
Special grease F80 for lathe chucks For lubrication and conservation of chucking power


Item no.	Design	Contents
308555	Cartridge (DIN 1284) Ø 53.5 x 235mm	0.5 kg
028975	Tin	1 kg

C15
Grease gun DIN1283


Item no.	Connection	Contents of delivery
329093	M10x1	150 mm nozzle tube bent, needlepoint mouthpiece, top mouthpiece, 300 mm high pressure hose with 4 jaw hydraulics cross mouthpiece

We reserve the right to make technical changes.