Technical Details Adjustable combined bearings

MATERIAL
Extrenal rings	ACCIAIO UNI 17MnCr5/ DIN 17MnCr5/ WNr.1.3521 (CTRs 58÷60HRc)
Interior rings	ACCIAIO UNI 100Cr6/ DIN 100Cr6/ WNr.1.3505 (TRs 60÷62 HRc)
Rolling bodies	ACCIAIO UNI 100Cr6/ DIN 100Cr6/ WNr.1.3505 (TRs 61÷63 HRc)
Main pin	UNI Fe510.C/DIN St 52.3/ WNr. 1.0553
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Processing tolerance
Precision class
Radial clearance
Load factors

On DIN 620.
P “O”.
On DIN 620.
Are calculated on DIN – ISO 281/1/ DIN – ISO 76.

	Size									Load capacity				Weight Kg	Section-type
TYPE 2 ZRS	d mm	D mm	H mm	T mm	L mm	B mm	A mm	S mm	r mm	C KN	C₀ KN	C_A KN	C_0A KN	Weight Kg	Section-type
MR.146	30	62	43	42	33	20	5,5	16	3	31	35,5	8	8	0,56	EC062 (2890)
MR.147	35	70,1	48	48	40	23	6,5	16	4	45,5	51	8	8	0,85	EC070 (2867)
MR.148	40	77,7	50,5	54	39,5	23	7	21	4	48	56,8	14	14	1,02	EC078 (2810)
MR.149	40	78,1	45	54	34	23	7	21	4	48	56,8	14	14	0,92	ET078 (3019)
MR.150	45	88,4	61	59	48	30	7	21	3	68	72	15	15	1,70	EC089 (2811)
MR.151	50	101,9	50,5	67	37,5	28	7	21	3	73	82	18	19	1,85	(2912)
MR.142	60	107,7	69	71	55	31	8	33	5	81	95	31	36	2,80	EC108 – (2862)
MR.152	55	108,5	58,5	71	44,5	31	8	33	5	81	95	31	36	2,40	ET108 (3100)
MR.153	60	123	75,8	80	59,5	37	8	33	5	110	132	31	36	4,08	EC123 – FI123 (2891)
MR.154	60	149	89	103	69	43	15	50	5	151	192	68	71	6,70	FI149 – EC149 (2757)
The adjustment of the dimension “A” is made with rings shims inserted between the main support and the support ofguide bearing side. Ring are available for registration with thicknesses of 0.5, 1 mm.