Ball Screw Typical Journal Ends

This section contains diagrams and dimensions of typical journal ends that are available to specify with your Dynatect ball screw assembly.

Typical Journal Ends (SAE)

Dimensions are +.000/-.001″

Type 1D – Single Bearing (Drive End)

Diameter	A	B	C*	D	E	F	L-NUT	WASHER
0.75	1.87	0.87	0.500	.125 x 0.62	0.433	0.5906/0.5902	N-02	W-02
1	2.37	1.06	0.625	.187 x .094	0.551	0.7874/0.7869	N-04	W-04
1.25	2.68	1.12	0.750	.187 x .094	0.591	0.9843/0.9838	N-05	W-05
1.5	2.97	1.16	1.000	.250 x .125	0.63	1.1811/1.1806	N-06	W-06
1.75	3.25	1.25	1.250	.250 x .125	0.699	1.3780/1.3774	N-07	W-07
2	3.53	1.34	1.375	.312 x .156	0.748	1.7717/1.7711	N-09	W-09
2.25	5.16	2.28	1.750	.375 x .187	1.063	1.9685/1.9679	N-10	W-10
2.5	5.16	2.28	1.750	.375 x .188	1.063	1.9685/1.9680	N-10	W-10
10	6.18	2.5	2.250	.500 x .250	1.221	2.3622/2.3615	N-12	W-12

Type 2D – Duplexed Bearing (Drive End)

Diameter	A	B	C*	D	E	F	L-NUT	WASHER
0.75	2.31	1.31	0.500	.125 x 0.62	0.866	0.5906/0.5902	N-02	W-02
1.00	2.91	1.59	0.625	.187 x .094	1.102	0.7874/0.7869	N-04	W-04
1.25	3.28	1.71	0.750	.187 x .094	1.181	0.9843/0.9838	N-05	W-05
1.50	3.59	1.78	1.000	.250 x .125	1.26	1.1811/1.1806	N-06	W-06
1.75	3.92	1.92	1.250	.250 x .125	1.338	1.3780/1.3774	N-07	W-07
2.00	4.28	2.09	1.375	.312 x .156	1.496	1.7717/1.7711	N-09	W-09
2.25	6.22	3.34	1.750	.375 x .187	2.126	1.9685/1.9679	N-10	W-10
2.50	6.22	3.34	1.750	.375 x .188	2.126	1.9685/1.9680	N-10	W-10
3.00	7.41	3.72	2.250	.500 x .250	2.441	2.3622/2.3615	N-12	W-12

Type 3D – Multiple Duplexed Bearing (Drive End)

Diameter	A	B	C*	D	E	F	L-NUT	WASHER
0.75	3.18	2.18	0.500	.125 x 0.62	1.732	0.5906/0.5902	N-02	W-02
1.00	4.03	2.71	0.625	.187 x .094	2.205	0.7874/0.7869	N-04	W-04
1.25	4.44	2.88	0.750	.187 x .094	2.362	0.9843/0.9838	N-05	W-05
1.50	4.87	3.06	1.000	.250 x .125	2.52	1.1811/1.1806	N-06	W-06
1.75	5.26	3.26	1.250	.250 x .125	2.676	1.3780/1.3774	N-07	W-07
2.00	5.78	3.59	1.375	.312 x .156	2.992	1.7717/1.7711	N-09	W-09
2.25	8.34	5.47	1.750	.375 x .187	4.252	1.9685/1.9679	N-10	W-10
2.50	8.34	5.47	1.750	.375 x .188	5.252	1.9685/1.9680	N-10	W-10
3.00	9.87	6.18	2.250	.500 x .250	4.882	2.3622/2.3615	N-12	W-12

Type 4D – Pillow Block (Drive End)

Diameter	A	B	C
0.75	2.62	.6250/.6245	.187 x .094
1.00	3.15	.7500/.7495	.187 x .094
1.25	3.15	1.0000/.9995	.250 x .125
1.50	4	1.2500/1.2495	.312 x .156
1.75	4	1.3750/1.3745	.312 x .156
2.00	4.81	1.6250/1.6245	.375 x .187
2.25	4.81	1.7500/1.7495	.375 x .187
2.50	5.87	2.0000/1.9995	.500 x .250
3.00	7.43	2.5000/2.4995	.625 x .312

Type 1S – Single Bearing (Supported End)

Diameter	A	B	C	L-NUT	WASHER
0.75	0.87	0.433	0.5906/0.5901	N-02	W-02
1.00	1.06	0.551	0.7874/0.7869	N-04	W-04
1.25	1.12	0.591	0.9843/0.9838	N-05	W-05
1.50	1.16	0.63	1.1811/1.1806	N-06	W-06
1.75	1.25	0.699	1.3780/1.3774	N-07	W-07
2.00	1.34	0.748	1.7717/1.7711	N-09	W-09
2.25	2.28	1.063	1.9685/1.9679	N-10	W-10
2.50	2.28	1.063	1.9685/1.9680	N-10	W-10
3.00	2.5	1.221	2.3622/2.3615	N-12	W-12

Type 2S – Duplexed Bearing (Supported End)

Diameter	A	B	C	L-NUT	WASHER
0.75	1.31	0.866	0.5906/0.5902	N-02	W-02
1.00	1.59	1.102	0.7874/0.7869	N-04	W-04
1.25	1.71	1.181	0.9843/0.9838	N-05	W-05
1.50	1.78	1.26	1.1811/1.1806	N-06	W-06
1.75	1.92	1.338	1.3780/1.3774	N-07	W-07
2.00	2.09	1.496	1.7717/1.7711	N-09	W-09
2.25	3.34	2.126	1.9685/1.9679	N-10	W-10
2.50	3.34	2.126	1.9685/1.9680	N-10	W-10
3.00	3.72	2.441	2.3622/2.3615	N-12	W-12

Type 3S – Multiple Duplexed Bearings (Supported End)

Diameter	A	B	C	L-NUT	WASHER
0.75	0.87	0.433	0.5906/0.5902	N-02	W-02
1.00	1.06	0.551	0.7874/0.7869	N-04	W-04
1.25	1.12	0.591	0.9843/0.9838	N-05	W-05
1.50	1.16	0.63	1.1811/1.1806	N-06	W-06
1.75	1.25	0.699	1.3780/1.3774	N-07	W-07
2.00	1.34	0.748	1.7717/1.7711	N-09	W-09
2.25	2.28	1.063	1.9685/1.9679	N-10	W-10
2.50	2.28	1.063	1.9685/1.9680	N-10	W-10
10.00	2.5	1.221	2.3622/2.3615	N-12	W-12

Type 4S – Pillow Block (Supported End)