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 +0,000 mm/–0,025 mm (+.000/-.001″)

Type 1D – Single Bearing (Drive End)

Diameter	A	B	C*	D	E	F	L-NUT	WASHER
0.75 (19.05 mm)	1.87 (47.50 mm)	0.87 (22.10 mm)	0.500 (12.70 mm)	.125 x 0.62 (3.18 x 15.75 mm)	0.433 (11 mm)	0.5906/0.5902 (15/14.99 mm)	N-02	W-02
1 (25.40 mm)	2.37 (60.20 mm)	1.06 (26.92 mm)	0.625 (15.88 mm)	.187 x .094 (4.75 x 2.39 mm)	0.551 (14 mm)	0.7874/0.7869 (20/19.99 mm)	N-04	W-04
1.25 (31.75 mm)	2.68 (68.07 mm)	1.12 (28.45 mm)	0.750 (19.05 mm)	.187 x .094 (4.75 × 2.39 mm)	0.591 (15.01 mm)	0.9843/0.9838 (25/24.99 mm)	N-05	W-05
1.5 (38.10 mm)	2.97 (75.44 mm)	1.16 (29.46 mm)	1.000 (25.40 mm)	.250 x .125 (6.35 × 3.18 mm)	0.63 (16 mm)	1.1811/1.1806 (30/29.99 mm)	N-06	W-06
1.75 (44.45 mm)	3.25 (82.55 mm)	1.25 (31.75 mm)	1.250 (31.75 mm)	.250 x .125 (6.35 × 3.18 mm)	0.699 (17.75 mm)	1.3780/1.3774 (35/34.99 mm)	N-07	W-07
2 (50.80 mm)	3.53 (89.66 mm)	1.34 (34.04 mm)	1.375 (34.93 mm)	.312 x .156 (7.92 × 3.96 mm)	0.748 (19 mm)	1.7717/1.7711 (45/44.99 mm)	N-09	W-09
2.25 (57.15 mm)	5.16 (131.06 mm)	2.28 (57.91 mm)	1.750 (44.45 mm)	.375 x .187 (9.53 × 4.75 mm)	1.063 (27 mm)	1.9685/1.9679 (50/49.99 mm)	N-10	W-10
2.5 (63.50 mm)	5.16 (131.06 mm)	2.28 (57.91 mm)	1.750 (44.45 mm)	.375 x .188 (9.53 × 4.78 mm)	1.063 (27 mm)	1.9685/1.9680 (50/49.99 mm)	N-10	W-10
10 (254.00 mm)	6.18 (157.09 mm)	2.5 (63.50 mm)	2.250 (57.15 mm)	.500 x .250 (12.70 × 6.35 mm)	1.221 (31.01 mm)	2.3622/2.3615 (60/59.99 mm)	N-12	W-12

Type 2D – Duplexed Bearing (Drive End)

Diameter	A	B	C*	D	E	F	L-NUT	WASHER
0.75 (19.05 mm)	2.31 (58.67 mm)	1.31 (33.27 mm)	0.500 (12.70 mm)	.125 x 0.62 (3.18 x 15.75 mm)	0.866 (22 mm)	0.5906/0.5902 (15/14.99 mm)	N-02	W-02
1 (25.40 mm)	2.91 (73.91 mm)	1.59 (40.39 mm)	0.625 (15.88 mm)	.187 x .094 (4.75 x 2.39 mm)	1.102 (28 mm)	0.7874/0.7869 (20/19.99 mm)	N-04	W-04
1.25 (31.75 mm)	3.28 (83.31 mm)	1.71 (43.43 mm)	0.750 (19.05 mm)	.187 x .094 (4.75 × 2.39 mm)	1.181 (30 mm)	0.9843/0.9838 (25/24.99 mm)	N-05	W-05
1.5 (38.10 mm)	3.59 (91.19 mm)	1.78 (45.21 mm)	1.000 (25.40 mm)	.250 x .125 (6.35 × 3.18 mm)	1.26 (32 mm)	1.1811/1.1806 (30/29.99 mm)	N-06	W-06
1.75 (44.45 mm)	3.92 (99.57 mm)	1.92 (48.77 mm)	1.250 (31.75 mm)	.250 x .125 (6.35 × 3.18 mm)	1.338 (34 mm)	1.3780/1.3774 (35/34.99 mm)	N-07	W-07
2 (50.80 mm)	4.28 (108.71 mm)	2.09 (53.09 mm)	1.375 (34.93 mm)	.312 x .156 (7.92 × 3.96 mm)	1.496 (38 mm)	1.7717/1.7711 (45/44.99 mm)	N-09	W-09
2.25 (57.15 mm)	6.22 (158 mm)	3.34 (84.84 mm)	1.750 (44.45 mm)	.375 x .187 (9.53 × 4.75 mm)	2.126 (54 mm)	1.9685/1.9679 (50/49.99 mm)	N-10	W-10
2.5 (63.50 mm)	6.22 (158 mm)	3.34 (84.84 mm)	1.750 (44.45 mm)	.375 x .188 (9.53 × 4.78 mm)	2.126 (54 mm)	1.9685/1.9680 (50/49.99 mm)	N-10	W-10
3.00 (76.20 mm)	7.41 (188.21 mm)	3.72 (94.49 mm)	2.250 (57.15 mm)	.500 x .250 (12.70 × 6.35 mm)	2.441 (62 mm)	2.3622/2.3615 (60/59.99 mm)	N-12	W-12

Type 3D – Multiple Duplexed Bearing (Drive End)

Diameter	A	B	C*	D	E	F	L-NUT	WASHER
0.75 (19.05 mm)	3.18 (80.77 mm)	2.18 (55.37 mm)	0.500 (12.70 mm)	.125 x 0.62 (3.18 x 15.75 mm)	1.732 (44 mm)	0.5906/0.5902 (15/14.99 mm)	N-02	W-02
1 (25.40 mm)	4.03 (102.36 mm)	2.71 (68.83 mm)	0.625 (15.88 mm)	.187 x .094 (4.75 x 2.39 mm)	2.205 (56 mm)	0.7874/0.7869 (20/19.99 mm)	N-04	W-04
1.25 (31.75 mm)	4.44 (112.78 mm)	2.88 (73.15 mm)	0.750 (19.05 mm)	.187 x .094 (4.75 × 2.39 mm)	2.362 (60 mm)	0.9843/0.9838 (25/24.99 mm)	N-05	W-05
1.5 (38.10 mm)	4.87 (123.70 mm)	3.06 (77.72 mm)	1.000 (25.40 mm)	.250 x .125 (6.35 × 3.18 mm)	2.52 (64.01 mm)	1.1811/1.1806 (30/29.99 mm)	N-06	W-06
1.75 (44.45 mm)	5.26 (133.60 mm)	3.26 (82.80 mm)	1.250 (31.75 mm)	.250 x .125 (6.35 × 3.18 mm)	2.676 (67.98 mm)	1.3780/1.3774 (35/34.99 mm)	N-07	W-07
2 (50.80 mm)	5.78 (146.81 mm)	3.59 (91.19 mm)	1.375 (34.93 mm)	.312 x .156 (7.92 × 3.96 mm)	2.992 (76 mm)	1.7717/1.7711 (45/44.99 mm)	N-09	W-09
2.25 (57.15 mm)	8.34 (211.84 mm)	5.47 (138.93 mm)	1.750 (44.45 mm)	.375 x .187 (9.53 × 4.75 mm)	4.252 (108 mm)	1.9685/1.9679 (50/49.99 mm)	N-10	W-10
2.5 (63.50 mm)	8.34 (211.84 mm)	5.47 (138.93 mm)	1.750 (44.45 mm)	.375 x .188 (9.53 × 4.78 mm)	5.252 (133.41 mm)	1.9685/1.9680 (50/49.99 mm)	N-10	W-10
3.00 (76.20 mm)	9.87 (250.60 mm)	6.18 (157.09 mm)	2.250 (57.15 mm)	.500 x .250 (12.70 × 6.35 mm)	4.882 (124 mm)	2.3622/2.3615 (60/59.99 mm)	N-12	W-12

Type 4D – Pillow Block (Drive End)

Diameter	A	B	C
0.75 (19.05 mm)	2.62 (66.55 mm)	.6250/.6245 (15.8750 / 15.8623 mm)	.187 x .094 (4.75 × 2.39 mm)
1 (25.40 mm)	3.15 (80.01 mm)	.7500/.7495 (19.0500 / 19.0373 mm)	.187 x .094 (4.75 × 2.39 mm)
1.25 (31.75 mm)	3.15 (80.01 mm)	1.0000/.9995 (25.4000 / 25.3873 mm)	.250 x .125 (6.35 × 3.18 mm)
1.5 (38.10 mm)	4 (101.60 mm)	1.2500/1.2495 (31.7500 / 31.7373 mm)	.312 x .156 (7.92 × 3.96 mm)
1.75 (44.45 mm)	4 (101.60 mm)	1.3750/1.3745 (34.9250 / 34.9123 mm)	.312 x .156 (7.92 × 3.96 mm)
2 (50.80 mm)	4.81 (122.17 mm)	1.6250/1.6245 (41.2750 / 41.2623 mm)	.375 x .187 (9.53 × 4.75 mm)
2.25 (57.15 mm)	4.81 (122.17 mm)	1.7500/1.7495 (44.4500 / 44.4373 mm)	.375 x .187 (9.53 × 4.75 mm)
2.5 (63.50 mm)	5.87 (149.10 mm)	2.0000/1.9995 (50.8000 / 50.7873 mm)	.500 x .250 (12.70 × 6.35 mm)
3.00 (76.20 mm)	7.43 (188.72 mm)	2.5000/2.4995 (63.5000 / 63.4873 mm)	.625 x .312 (15.88 × 7.92 mm)

Type 1S – Single Bearing (Supported End)

Diameter	A	B	C	L-NUT	WASHER
0.75 (19.05 mm)	0.87 (22.10 mm)	0.433 (11 mm)	0.5906/0.5902 (15/14.99 mm)	N-02	W-02
1 (25.40 mm)	1.06 (26.92 mm)	0.551 (14 mm)	0.7874/0.7869 (20/19.99 mm)	N-04	W-04
1.25 (31.75 mm)	1.12 (28.45 mm)	0.591 (15.01 mm)	0.9843/0.9838 (25/24.99 mm)	N-05	W-05
1.5 (38.10 mm)	1.16 (29.46 mm)	0.63 (16 mm)	1.1811/1.1806 (30/29.99 mm)	N-06	W-06
1.75 (44.45 mm)	1.25 (31.75 mm)	0.699 (17.75 mm)	1.3780/1.3774 (35/34.99 mm)	N-07	W-07
2 (50.80 mm)	1.34 (34.04 mm)	0.748 (19 mm)	1.7717/1.7711 (45/44.99 mm)	N-09	W-09
2.25 (57.15 mm)	2.28 (57.91 mm)	1.063 (27 mm)	1.9685/1.9679 (50/49.99 mm)	N-10	W-10
2.5 (63.50 mm)	2.28 (57.91 mm)	1.063 (27 mm)	1.9685/1.9680 (50/49.99 mm)	N-10	W-10
3.00 (76.20 mm)	2.5 (63.50 mm)	1.221 (31.01 mm)	2.3622/2.3615 (60/59.99 mm)	N-12	W-12

Type 2S – Duplexed Bearing (Supported End)

Diameter	A	B	C	L-NUT	WASHER
0.75 (19.05 mm)	1.31 (33.27 mm)	0.866 (22 mm)	0.5906/0.5902 (15/14.99 mm)	N-02	W-02
1 (25.40 mm)	1.59 (40.39 mm)	1.102 (28 mm)	0.7874/0.7869 (20/19.99 mm)	N-04	W-04
1.25 (31.75 mm)	1.71 (43.43 mm)	1.181 (30 mm)	0.9843/0.9838 (25/24.99 mm)	N-05	W-05
1.5 (38.10 mm)	1.78 (45.21 mm)	1.26 (32 mm)	1.1811/1.1806 (30/29.99 mm)	N-06	W-06
1.75 (44.45 mm)	1.92 (48.77 mm)	1.338 (34 mm)	1.3780/1.3774 (35/34.99 mm)	N-07	W-07
2 (50.80 mm)	2.09 (53.09 mm)	1.496 (38 mm)	1.7717/1.7711 (45/44.99 mm)	N-09	W-09
2.25 (57.15 mm)	3.34 (84.84 mm)	2.126 (54 mm)	1.9685/1.9679 (50/49.99 mm)	N-10	W-10
2.5 (63.50 mm)	3.34 (84.84 mm)	2.126 (54 mm)	1.9685/1.9680 (50/49.99 mm)	N-10	W-10
10 (254.00 mm)	3.72 (94.49 mm)	2.441 (62 mm)	2.3622/2.3615 (60/59.99 mm)	N-12	W-12

Type 3S – Multiple Duplexed Bearings (Supported End)

Diameter	A	B	C	L-NUT	WASHER
0.75 (19.05 mm)	0.87 (22.10 mm)	0.433 (11 mm)	0.5906/0.5902 (15/14.99 mm)	N-02	W-02
1 (25.40 mm)	1.06 (26.92 mm)	0.551 (14 mm)	0.7874/0.7869 (20/19.99 mm)	N-04	W-04
1.25 (31.75 mm)	1.12 (28.45 mm)	0.591 (15.01 mm)	0.9843/0.9838 (25/24.99 mm)	N-05	W-05
1.5 (38.10 mm)	1.16 (29.46 mm)	0.63 (16 mm)	1.1811/1.1806 (30/29.99 mm)	N-06	W-06
1.75 (44.45 mm)	1.25 (31.75 mm)	0.699 (17.75 mm)	1.3780/1.3774 (35/34.99 mm)	N-07	W-07
2 (50.80 mm)	1.34 (34.04 mm)	0.748 (19 mm)	1.7717/1.7711 (45/44.99 mm)	N-09	W-09
2.25 (57.15 mm)	2.28 (57.91 mm)	1.063 (27 mm)	1.9685/1.9679 (50/49.99 mm)	N-10	W-10
2.5 (63.50 mm)	2.28 (57.91 mm)	1.063 (27 mm)	1.9685/1.9680 (50/49.99 mm)	N-10	W-10
10 (254.00 mm)	2.5 (63.50 mm)	1.221 (31.01 mm)	2.3622/2.3615 (60/59.99 mm)	N-12	W-12

Type 4S – Pillow Block (Supported End)

Diameter	A	B
0.75 (19.05 mm)	0.683 (17.35 mm)	.6250/.6245 (15.8750/15.8623 mm)
1.00 (25.40 mm)	0.801 (20.35 mm)	.7500/.7495 (19.0500/19.0373 mm)
1.25 (31.75 mm)	0.841 (21.36 mm)	1.0000/.9995 (25.4000/25.3873 mm)
1.50 (38.10 mm)	0.88 (22.35 mm)	1.2500/1.2495 (31.7500/31.7373 mm)