Mounted Linear Bearings for Spline Shafts

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System of Measurement

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For Motion

Shaft Type

Round with Support Rail

Length

Flange OD

Bearing Type

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Less than 1,000 lb.

1,000 lb. to 9,999 lb.

Overall Length

Spline Length

Number of Splines

Static Load Capacity

Ball Material

Spline Bearing Type

Material

Component

Spline Diameter

Hardness Rating

Travel Distance per Turn

12 mm

15 mm

16 mm

DFARS Specialty Metals

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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28 Products

Mounted Linear Bearings for Ball Splines

A flange with mounting holes makes it easy to attach a load to these bearings. Create a compact linear and rotary motion system for robots and other applications requiring complex, fast movements, by combining them with ball splines. These bearings move smoothly and precisely even at high speeds along ball splines while grooves on the ball spline transmit rotary power. Clip a retaining ring (not included) into the groove on these bearings to position them in your system.

Steel Bearings


		For 4 Splines

												Groove, mm
For Spline Dia., mm	For No. of Splines	Overall Lg., mm	Flange OD, mm	Bolt Circle Dia., mm	OD, mm	Dynamic Load Cap., lb.	Static Load Cap., lb.	Max. Dynamic Torque, in·lbf	Max. Static Torque, in·lbf	Max. Temp., ° F	With Retaining Ring Grooves	Wd.	Dia.	No. of Mounting Holes		Each



	6	4	25	30	22	14	270	510	13	21	176	Yes	1.25	13.7	4	00000000	0000000


	8	4	25	32	24	16	325	645	18	32	176	Yes	1.25	15.6	4	00000000	000000
	10	4	33	42	32	21	610	1,100	38	72	176	Yes	1.65	20.5	4	00000000	000000
	13	4	36	43	33	24	600	1,050	185	346	176	Yes	1.3	22.7	4	000000000	00000
	16	4	50	50	40	31	1,350	2,500	531	973	176	Yes	1.6	29.4	4	000000000	000000
	18.2	4	60	51	40	32	1,750	2,500	734	1,177	176	Yes	3	31.3	4	00000000	000000
	20	4	63	58	45	35	2,000	3,650	929	1,717	176	Yes	2	33	4	000000000	000000
	23	4	70	60	47	37	2,750	3,600	1,433	2,115	176	Yes	3.5	36.1	4	00000000	000000
	25	4	71	65	52	42	2,850	5,250	1,672	3,062	176	Yes	2.5	39.5	4	000000000	000000
	28	4	80	70	54	45	4,150	5,200	2,557	3,646	176	Yes	4	43.9	4	00000000	000000
	30	4	80	75	60	47	4,150	5,200	2,716	3,885	176	Yes	3	44	4	000000000	000000


	37.4	4	100	90	72	60	6,900	8,400	5,637	7,806	176	Yes	5	58.6	4	00000000	000000
	40	4	100	100	82	64	6,900	8,400	5,964	8,266	176	Yes	4	60	4	000000000	000000

Ball Screw/Splines and Bearings

From one compact system, transmit linear or rotary motion or both at once (sometimes called spiral motion). Because of these different motions, these ball screw/splines and bearings create efficient, fluid movements in complex automated applications, such as pick-and-place robots.

The ball bearings move smoothly and precisely, even at high speeds. They're powered independently, so you can drive one bearing at a time or both together to coordinate movements.

The ball screw/splines are hardened on the surface, so they stand up to repeated motion. They’re also hollow, so you can run electrical wiring, compressed air tubing, coolants, or lubricant through their center.

	Spline		Thread						Ball Screw Bearing				Ball Spline Bearing
	Lg., mm	No. of	Lg., mm	Direction, ° F	Thread Direction	ID, mm	Lg., mm	Root Dia., mm	OD, mm	Overall Lg., mm	Dynamic Load Cap., lb.	Static Load Cap., lb.	OD, mm	Overall Lg., mm	Dynamic Load Cap., lb.	Static Load Cap., lb.	Max. Dynamic Torque, in·lbf		Each
1055 Carbon Steel







				8 mm Dia. (Tolerance: -0.015 mm to 0 mm)

				200	4	180	5 to 176	Right Hand	3	200	7.44	19	28.5	240	400	16	25	330	580	17	0000000	000000000




						10 mm Dia. (Tolerance: -0.015 mm to 0 mm)

						300	4	270	5 to 176	Right Hand	4	300	9.27	23	34.5	380	600	21	33	600	1,100	34	0000000	00000000




								16 mm Dia. (Tolerance: -0.018 mm to 0 mm)

								500	6	360	5 to 176	Right Hand	11	500	15.15	32	40	870	1,610	31	50	1,590	2,830	277	0000000	00000000

Linear Bearings for Ball Splines

Combine these bearings with a ball spline to create a compact linear and rotary motion system for applications with fast, complex movements, such as robotics. These bearings move smoothly and precisely even at high speeds along ball splines while grooves on the ball spline transmit rotary power. Clip a retaining ring into the groove on these bearings to position them in your system. Use the keyway and included machine key for attaching your load.

Steel Bearings


	For 4 Splines

										Groove, mm			Keyway, mm
For Spline Dia., mm	For No. of Splines	Overall Lg., mm	OD, mm	Dynamic Load Cap., lb.	Static Load Cap., lb.	Max. Dynamic Torque, in·lbf	Max. Static Torque, in·lbf	Max. Temp., ° F	With Retaining Ring Grooves	Wd.	Dia.	Includes	Lg.	Wd.	Dp.		Each



	6	4	25	14	270	510	13	21	176	Yes	1.3	13.3	Machine Key	10.5	2.5	1.2	00000000	000000


	8	4	25	16	325	645	18	32	176	Yes	1.3	15.3	Machine Key	10.5	2.5	1.2	00000000	00000
	10	4	33	21	610	1,100	38	72	176	Yes	1.7	20	Machine Key	13	3	1.5	00000000	00000
	13	4	36	24	600	1,050	185	346	176	Yes	1.3	22.7	Machine Key	15	3	1.5	00000000	00000
	16	4	50	31	1,350	2,500	531	973	176	Yes	1.6	29.4	Machine Key	17.5	3.5	2	00000000	00000
	18.2	4	60	32	1,750	2,500	734	1,177	176	Yes	3.1	30.2	Machine Key	26	4	2.5	00000000	000000
	25	4	71	42	2,850	5,250	1,672	3,062	176	Yes	2.5	39.5	Machine Key	36	4	2.5	00000000	000000
	28	4	80	45	4,150	5,200	2,557	3,646	176	Yes	4.15	42.6	Machine Key	41	7	4	00000000	000000
	30	4	80	47	4,150	5,200	2,716	3,885	176	Yes	3	44	Machine Key	42	4	2.5	00000000	000000
	40	4	100	64	6,900	8,400	5,964	8,266	176	Yes	4	60	Machine Key	52	6	3.5	00000000	000000

Stainless Steel Bearings


	For 4 Splines

Stainless steel bearings are more corrosion resistant than steel bearings.

										Groove, mm			Keyway, mm
For Spline Dia., mm	For No. of Splines	Overall Lg., mm	OD, mm	Dynamic Load Cap., lb.	Static Load Cap., lb.	Max. Dynamic Torque, in·lbf	Max. Static Torque, in·lbf	Max. Temp., ° F	With Retaining Ring Grooves	Wd.	Dia.	Includes	Lg.	Wd.	Dp.		Each



	6	4	25	14	270	510	13	21	176	Yes	0.6	13.4	Machine Key	10.5	2.5	1.2	00000000	0000000


	13	4	36	24	600	1,050	185	346	176	Yes	1.3	22.7	Machine Key	15	3	1.5	00000000	000000