RBU

Basic Type - Integrated Inner/Outer Ring (Outer Dia. 36 - 240 mm)

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The integrated design of the units inner and outer rings eliminates the need for a special flange or housing and enables easy installation. The dimensions are interchangeable with the existing RB, making it possible to switch without changing the design

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*Please contact THK if you need more than available quantity or out of stock items

Attributes	Part Number	Online Store Unit Price (USD)	Days to Ship	Inner Diameter (mm)	Outer Diameter (mm)	Width (mm)	Dust Protection Seal	Preload
Inner Diameter (mm): 20 Outer Diameter (mm): 36 Width (mm): 8 Dust Protection Seal: With Seal Preload: No Preload	RBU2008UUC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 20	Outer Diameter (mm): 36	Width (mm): 8	Dust Protection Seal: With Seal	Preload: No Preload
Inner Diameter (mm): 20 Outer Diameter (mm): 36 Width (mm): 8 Dust Protection Seal: With Seal Preload: Preloaded	RBU2008UUCC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 20	Outer Diameter (mm): 36	Width (mm): 8	Dust Protection Seal: With Seal	Preload: Preloaded
Inner Diameter (mm): 25 Outer Diameter (mm): 41 Width (mm): 8 Dust Protection Seal: With Seal Preload: No Preload	RBU2508UUC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 25	Outer Diameter (mm): 41	Width (mm): 8	Dust Protection Seal: With Seal	Preload: No Preload
Inner Diameter (mm): 25 Outer Diameter (mm): 41 Width (mm): 8 Dust Protection Seal: With Seal Preload: Preloaded	RBU2508UUCC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 25	Outer Diameter (mm): 41	Width (mm): 8	Dust Protection Seal: With Seal	Preload: Preloaded
Inner Diameter (mm): 30 Outer Diameter (mm): 55 Width (mm): 10 Dust Protection Seal: With Seal Preload: No Preload	RBU3010UUC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 30	Outer Diameter (mm): 55	Width (mm): 10	Dust Protection Seal: With Seal	Preload: No Preload
Inner Diameter (mm): 30 Outer Diameter (mm): 55 Width (mm): 10 Dust Protection Seal: With Seal Preload: Preloaded	RBU3010UUCC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 30	Outer Diameter (mm): 55	Width (mm): 10	Dust Protection Seal: With Seal	Preload: Preloaded
Inner Diameter (mm): 35 Outer Diameter (mm): 60 Width (mm): 10 Dust Protection Seal: With Seal Preload: No Preload	RBU3510UUC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 35	Outer Diameter (mm): 60	Width (mm): 10	Dust Protection Seal: With Seal	Preload: No Preload
Inner Diameter (mm): 35 Outer Diameter (mm): 60 Width (mm): 10 Dust Protection Seal: With Seal Preload: Preloaded	RBU3510UUCC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 35	Outer Diameter (mm): 60	Width (mm): 10	Dust Protection Seal: With Seal	Preload: Preloaded
Inner Diameter (mm): 40 Outer Diameter (mm): 65 Width (mm): 10 Dust Protection Seal: With Seal Preload: No Preload	RBU4010UUC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 40	Outer Diameter (mm): 65	Width (mm): 10	Dust Protection Seal: With Seal	Preload: No Preload
Inner Diameter (mm): 40 Outer Diameter (mm): 65 Width (mm): 10 Dust Protection Seal: With Seal Preload: Preloaded	RBU4010UUCC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 40	Outer Diameter (mm): 65	Width (mm): 10	Dust Protection Seal: With Seal	Preload: Preloaded
Inner Diameter (mm): 45 Outer Diameter (mm): 70 Width (mm): 10 Dust Protection Seal: With Seal Preload: No Preload	RBU4510UUC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 45	Outer Diameter (mm): 70	Width (mm): 10	Dust Protection Seal: With Seal	Preload: No Preload
Inner Diameter (mm): 45 Outer Diameter (mm): 70 Width (mm): 10 Dust Protection Seal: With Seal Preload: Preloaded	RBU4510UUCC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 45	Outer Diameter (mm): 70	Width (mm): 10	Dust Protection Seal: With Seal	Preload: Preloaded
Inner Diameter (mm): 50 Outer Diameter (mm): 80 Width (mm): 13 Dust Protection Seal: With Seal Preload: No Preload	RBU5013UUC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 50	Outer Diameter (mm): 80	Width (mm): 13	Dust Protection Seal: With Seal	Preload: No Preload
Inner Diameter (mm): 50 Outer Diameter (mm): 80 Width (mm): 13 Dust Protection Seal: With Seal Preload: Preloaded	RBU5013UUCC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 50	Outer Diameter (mm): 80	Width (mm): 13	Dust Protection Seal: With Seal	Preload: Preloaded
Inner Diameter (mm): 60 Outer Diameter (mm): 90 Width (mm): 13 Dust Protection Seal: With Seal Preload: No Preload	RBU6013UUC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 60	Outer Diameter (mm): 90	Width (mm): 13	Dust Protection Seal: With Seal	Preload: No Preload
Inner Diameter (mm): 60 Outer Diameter (mm): 90 Width (mm): 13 Dust Protection Seal: With Seal Preload: Preloaded	RBU6013UUCC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 60	Outer Diameter (mm): 90	Width (mm): 13	Dust Protection Seal: With Seal	Preload: Preloaded
Inner Diameter (mm): 70 Outer Diameter (mm): 100 Width (mm): 13 Dust Protection Seal: With Seal Preload: No Preload	RBU7013UUC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 70	Outer Diameter (mm): 100	Width (mm): 13	Dust Protection Seal: With Seal	Preload: No Preload
Inner Diameter (mm): 70 Outer Diameter (mm): 100 Width (mm): 13 Dust Protection Seal: With Seal Preload: Preloaded	RBU7013UUCC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 70	Outer Diameter (mm): 100	Width (mm): 13	Dust Protection Seal: With Seal	Preload: Preloaded
Inner Diameter (mm): 80 Outer Diameter (mm): 120 Width (mm): 16 Dust Protection Seal: With Seal Preload: No Preload	RBU8016UUC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 80	Outer Diameter (mm): 120	Width (mm): 16	Dust Protection Seal: With Seal	Preload: No Preload
Inner Diameter (mm): 80 Outer Diameter (mm): 120 Width (mm): 16 Dust Protection Seal: With Seal Preload: Preloaded	RBU8016UUCC0	–	Days to Ship: 1 - 3 days	Inner Diameter (mm): 80	Outer Diameter (mm): 120	Width (mm): 16	Dust Protection Seal: With Seal	Preload: Preloaded

Specifications


Shaft diameter	Model No.	Main dimensions						Shoulder height		Basic load rating radial		Mass
		Inner diameter d	Outer diameter D	Roller pitch circle diameter dp	Width B B₁	Greasing hole d₀	r_min	ds(max)	Dh(min)	C	C₀
		Inner diameter d	Outer diameter D	Roller pitch circle diameter dp	Width B B₁	Greasing hole d₀	r_min	ds(max)	Dh(min)	C	C₀
		mm	mm	mm	mm	mm	mm	mm	mm	kN	kN	kg
20	RBU 2008	20	36	27	8	1.2	0.5	23.5	30.5	3.23	3.1	0.04
25	RBU 2508	25	41	32	8	1.2	0.5	28.5	35.5	3.63	3.83	0.05
30	RBU 3010	30	55	41.5	10	1.5	0.6	36.5	47	7.35	8.36	0.12
35	RBU 3510	35	60	46.5	10	1.5	0.6	41	51.5	7.64	9.12	0.13
40	RBU 4010	40	65	51.5	10	1.5	0.6	46.5	57.5	8.33	10.6	0.16
45	RBU 4510	45	70	56.5	10	1.5	0.6	51	61.5	8.62	11.3	0.17
50	RBU 5013	50	80	64	13	2	0.6	57	72	16.7	20.9	0.27
60	RBU 6013	60	90	74	13	2	0.6	67	82	18	24.3	0.3
70	RBU 7013	70	100	84	13	2	0.6	77	92	19.4	27.7	0.35
80	RBU 8016	80	120	98	16	2	0.6	88	110	30.1	42.1	0.7
90	RBU 9016	90	130	108	16	2	1	98	118	31.4	45.3	0.75
100	RBU 10016	100	140	119.3	16	2	1	109	129	31.7	48.6	0.83
100	RBU 10020	100	150	125	20	2	1	113	137	51.3	73	1.45
110	RBU 11015	110	145	126.5	15	2	0.6	119	136	23.7	41.5	0.75
110	RBU 11020	110	160	135	20	2	1	120	147	55.3	83.2	1.56
120	RBU 12025	120	180	148.7	25	2	1.5	133	164	66.9	100	2.62
130	RBU 13025	130	190	158	25	2	1.5	143	174	69.5	107	2.82
140	RBU 14016	140	175	154.8	16	2	1	147	162	25.9	50.1	1
140	RBU 14025	140	200	168	25	2	1.5	154	185	74.8	121	2.96
150	RBU 15013	150	180	164	13	2	0.6	157	172	27	53.5	0.68
150	RBU 15025	150	210	178	25	2	1.5	164	194	76.8	128	3.16
160	RBU 16025	160	220	188.6	25	2	1.5	173	204	81.7	135	3.14
180	RBU 18025	180	240	210	25	2	1.5	195	225	84	143	3.44
190	RBU 19025	190	240	211.9	25	2	1	202	222	41.7	82.9	2.99

Model Number Coding

Model	Nominal shaft diameter (mm)	Width of ring (mm)	Seals^*1	Radial clearance^*2
RBU	100	08	UU	CC0

RBU	20~190	05	UU	C0 : Positive Clearance
		10		CC0 : Preload
		13
		15
		16
		20
		25

The above selections are Online Store standards. If you need a selection that differs from the standard, please contact us at [email protected]

Note 1: Contamination protection seal UU is standard for Model RBU Note 2: Radial Clearance

Units: µm
Pitch circle diameter of the roller (dp) (mm)		CC0		C0
Above	Or less	Min.	Max.	Min.	Max.
18	30	–8	0	0	15
30	50	–8	0	0	25
50	80	–10	0	0	30
80	120	–10	0	0	40
120	140	–10	0	0	40
140	160	–10	0	0	40
160	180	–10	0	0	50
180	200	–10	0	0	50
200	225	–10	0	0	60
225	250	–10	0	0	60
250	280	–15	0	0	80
280	315	–15	0	30	100
315	355	–15	0	30	110
355	400	–15	0	30	120
400	450	–20	0	30	130
450	500	–20	0	30	130
500	560	–20	0	30	150

The above selections are Online Store standards. If you need a selection that differs from the standard, please contact us at [email protected]