Roller guide rails / Steel / R1805 (Part Numbers - CAD Download)

Rexroth roller rail systems were specially developed to give our customers the advantages that result in higher machine performance. The optimized RSHP design provides the smooth transport of extremely heavy loads with optimal precision and rigidity which is essential for the most demanding machine tool and industrial automation environments. The robust construction of these roller rails features smarter sealing options and lubrication delivery so you can stay operating at high levels, day-in anda day-out.

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Product specification
Part Numbers
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Standard roller guide rails made of steel

Characteristic features
▶ Roller guide rails hardened and smoothened in the running track zone
▶ Maximum rigidity in all load directions
▶ Very high torque load capacity

Roller guide rail with the proven cover strip for covering mounting holes
▶ One cover for all bore holes saves time and costs
▶ Made of stainless spring steel as per DIN EN 10088
▶ Easy and safe during mounting
▶ Clip on and secure

221303596742_EN

Overview of formats and models

SNS with cover strip and
strip clamps

SNS with cover strip and
protective caps

SNS with cover strip and
screw/washer

SNS with plastic mounting hole plugs

Definition of the format of ball guide rails

Criterion	Designation	Code (example)
		S	N	O
Width	Slimline	S
Length	Normal		N
Height	Standard height			S
	Without groove			O

Identification system of material numbers

SNS/SNO with cover strip and strip clamps R1805 .3. ../R1805 .B. ..

Features and Ordering

For mounting from above, with cover strip made of corrosion-resistant spring steel per EN 10088 and strip clamps made of aluminum
(without front-side thread bore hole)

Notes
▶ Secure the cover strip!
▶ Strip clamps included in scope of delivery.
▶ Observe the instruction for mounting!
▶ Please request the "Mounting instructions for roller rail systems" and "Mounting instructions for cover strip".
▶ Composite roller guide rail also available.

Roller guide rails R1805 .B. .. with smooth mounting surfaces from cast mineral parts
In size 35–65 and available in accuracy class H, P, SP, GP, UP upon request.

Material numbers

Size	Roller guide rail with size	Accuracy class					Number of sections		Hole spacing T (mm)	Recommended rail lengths L = n_B · T – 4 mm
Size	Roller guide rail with size	H	P	SP	GP	UP	One-piece	Composite	Hole spacing T (mm)	Maximum number of bore holes n_B
25	R1805 23	3	2	1	8	9	31, ....	3., ....	30.0	133
35	R1805 33	3	2	1	8	9	31, ....	3., ....	40.0	100
45	R1805 43	3	2	1	8	9	31, ....	3., ....	52.5	76
55	R1805 53	3	2	1	8	9	31, ....	3., ....	60.0	66
65	R1805 63	3	2	1	8	9	61, ....	6., ....	75.0	53

Ordering example 1
(to L_max)
Options:
▶ Roller guide rail SNS
▶ Size 35
▶ Accuracy class P
▶ One-piece
▶ Rail length L = 1676 mm
Material number: R1805 332 61, 1676 mm

Ordering example 2
(beyond L_max)
Options:
▶ Roller guide rail SNS
▶ Size 35
▶ Accuracy class P
▶ Multi-part (2 parts)
▶ Rail length L = 5036 mm
Material number: R1805 332 62, 5036 mm

Ordering example 3
(up to L_max , with smooth surface)
Options:
▶ Roller guide rail SNO
▶ Size 35
▶ Accuracy class P
▶ One-piece
▶ Rail length L = 1676 mm
Material number: R1805 3B2 61, 1676 mm

Dimensional Drawing and Specifications


	Roller guide rail with cover strip without threaded holes on end faces (not required for strip clamps). Retaining the cover strip with strip clamps (included in the scope of delivery). a) For roller guide rails of accuracy class H, this base area may be without a groove for manufacturing reasons.

Dimensions (mm)

Size	A₂	D	H₂¹⁾	L_max²⁾	N₆^±0.5	N₇³⁾	N₈	N₉	S₅	T_1min	T_1max	T_1S⁴⁾	T	Mass (kg/m)
25	23	11	23.60	3986	14.3	8.2	13	2.0	7	13	20.0	13.00	30.0	3.1
35	34	15	31.10	3996	19.4	11.7	16	2.2	9	16	28.0	18.00	40.0	6.3
45	45	20	39.10	3986	22.4	12.5	18	2.2	14	18	36.5	24.25	52.5	10.3
55	53	24	47.85	3956	28.7	14.0	17	3.2	16	20	42.0	28.00	60.0	13.1
65	63	26	58.15	3971	36.5	15.0	17	3.2	18	21	55.0	35.50	75.0	17.4

1) Dimension H₂ with cover strip
    Size 25 with cover strip 0.2 mm
    Size 35 with cover strip 0.3 mm
2) Size 35: also deliverable as one piece up to a length of 5996 mm
    Size 45: also deliverable as one piece up to a length of 5981 mm
    Size 55: also deliverable as one piece up to a length of 5936 mm
    Size 65: also deliverable as one piece up to a length of 5921 mm
3) Dimension N₇ with cover strip
4) Preferred dimension T_1S with tolerances ±0.75

SNS/SNO with cover strip and protective caps R1805 .6. ../R1805 .D. ..

Features and Ordering

For mounting from above, with cover strip made of corrosion-resistant spring steel per EN 10088 and screw-down plastic protective caps
(with threaded mounting holes on end faces)

Notes
▶ As an alternative, the cover strip can be secured with screws and washers.
▶ Protective caps with screws and washers are included in the scope of delivery.
▶ Observe the instruction for mounting!
▶ Please request the "Mounting instructions for roller rail systems" and "Mounting instructions for cover strip".
▶ Composite roller guide rail also available.

Roller guide rails R1805 .D. .. with smooth base area for mounting surfaces from cast mineral parts
In size 35–65 and available in accuracy class H, P, SP, GP, UP upon request.

Material numbers

Size	Roller guide rail with size	Accuracy class					Number of sections		Hole spacing T (mm)	Recommended rail lengths L = n_B · T – 4 mm
Size	Roller guide rail with size	H	P	SP	GP	UP	One-piece	Composite	Hole spacing T (mm)	Maximum number of bore holes n_B
25	R1805 26	3	2	1	8	9	31, ....	3., ....	30.0	133
35	R1805 66	3	2	1	8	9	31, ....	3., ....	40.0	100
45	R1805 46	3	2	1	8	9	31, ....	3., ....	52.5	76
55	R1805 56	3	2	1	8	9	31, ....	3., ....	60.0	66
65	R1805 66	3	2	1	8	9	61, ....	6., ....	75.0	53

Ordering example 1
(to L_max)
Options:
▶ Roller guide rail SNS
▶ Size 35
▶ Accuracy class P
▶ One-piece
▶ Rail length L = 1676 mm
Material number: R1805 362 61, 1676 mm

Ordering example 2
(beyond L_max)
Options:
▶ Roller guide rail SNS
▶ Size 35
▶ Accuracy class P
▶ Multi-part (2 parts)
▶ Rail length L = 5036 mm
Material number: R1805 362 62, 5036 mm

Ordering example 3
(up to L_max , with smooth surface)
Options:
▶ Roller guide rail SNO
▶ Size 35
▶ Accuracy class P
▶ One-piece
▶ Rail length L = 1676 mm
Material number: R1805 3D2 61, 1676 mm

Dimensional Drawing and Specifications


	Roller guide rail with cover strip and threaded holes on end faces. Fuse with protective cap made of plastic or alternatively with screws and disks (included in the scope of delivery). a) For roller guide rails of accuracy class H, this base area may be without a groove for manufacturing reasons.

Dimensions (mm)

Size	A₂	D	H₂¹⁾	L_max²⁾	N₆^±0.5	N₇	N₈	N₉	N₁₀	S₅	T_1min	T_1max	T_1S^3) 4)	T	Mass (kg/m)
25	23	11	23.60	3986	14.3	15.0	15	6.5	4.10	7	13	20.0	13.00	30.0	3.1
35	34	15	31.10	3996	19.4	22.0	18	7.0	4.10	9	16	28.0	18.00	40.0	6.3
45	45	20	39.10	3986	22.4	30.0	20	7.0	4.10	14	18	36.5	24.25	52.5	10.3
55	53	24	47.85	3956	28.7	30.0	20	7.0	4.35	16	20	42.0	28.00	60.0	13.1
65	63	26	58.15	3971	36.5	40.0	20	7.0	4.35	18	21	55.0	35.50	75.0	17.4

1) Dimension H₂ with cover strip
    Size 25 with cover strip 0.2 mm
    Size 35 with cover strip 0.3 mm
2) Size 35: also deliverable as one piece up to a length of 5996 mm
    Size 45: also deliverable as one piece up to a length of 5981 mm
    Size 55: also deliverable as one piece up to a length of 5936 mm
    Size 65: also deliverable as one piece up to a length of 5921 mm
3) Preferred dimension T_1S with tolerances ±0.75
4) When undercutting T_1min, no front-side thread possible. Secure the cover strip! See instruction for mounting

SNS/SNO with plastic mounting hole plugs R1805 .5. 3./R1805 .C. 3.

Features and Ordering

For mounting from above with plastic mounting hole plugs

Notes
▶ Plastic mounting hole plugs included in scope of supply.
▶ Observe the instruction for mounting!
▶ Please ask for the "Mounting Instructions for roller rail systems".
▶ Composite roller guide Rail also available.

Roller guide rails R1805 .C. 3. .. with smooth base area for mounting surfaces from cast mineral parts
In size 35–65 and available in accuracy class H, P, SP, GP, UP upon request.

Material numbers

Size	Roller guide rail with size	Accuracy class					Number of sections		Hole spacing T (mm)	Recommended rail lengths L = n_B · T – 4 mm
Size	Roller guide rail with size	H	P	SP	GP	UP	One-piece	Composite	Hole spacing T (mm)	Maximum number of bore holes n_B
25	R1805 25	3	2	1	8	9	31, ....	3., ....	30.0	133
35	R1805 35	3	2	1	8	9	31, ....	3., ....	40.0	100
45	R1805 45	3	2	1	8	9	31, ....	3., ....	52.5	76
55	R1805 55	3	2	1	8	9	31, ....	3., ....	60.0	66
65	R1805 65	3	2	1	8	9	61, ....	6., ....	75.0	53

Ordering example 1
(to L_max)
Options:
▶ Roller guide rail SNS
▶ Size 35
▶ Accuracy class P
▶ One-piece
▶ Rail length L = 1676 mm
Material number: R1805 352 31, 1676 mm

Ordering example 2
(beyond L_max)
Options:
▶ Roller guide rail SNS
▶ Size 35
▶ Accuracy class P
▶ Multi-part (2 parts)
▶ Rail length L = 5036 mm
Material number: R1805 352 32, 5036 mm

Ordering example 3
(up to L_max , with smooth surface)
Options:
▶ Roller guide rail SNO
▶ Size 35
▶ Accuracy class P
▶ One-piece
▶ Rail length L = 1676 mm
Material number: R1805 3C2 31, 1676 mm

Dimensional Drawing and Specifications


	Mounting hole plugs made of plastic are delivered with the roller guide rail and are also available as accessories. For mounting plastic mounting hole plugs, see "Mounting instructions for roller rail systems" a) For roller guide rails of accuracy class H, this base area may be without a groove for manufacturing reasons.

Dimensions (mm)

Size	A₂	D	H₂	L_max²⁾	N₆^±0.5	S₅	T_1min	T_1max	T_1S²⁾	T	Mass (kg/m)
25	23	11	23.40	3986	14.3	7	10	20.0	13.00	30.0	3.1
35	34	15	30.80	3996	19.4	9	12	28.0	18.00	40.0	6.3
45	45	20	38.80	3986	22.4	14	16	36.5	24.25	52.5	10.3
55	53	24	47.55	3956	28.7	16	18	42.0	28.00	60.0	13.1
65	63	26	57.85	3971	36.5	18	20	55.0	35.50	75.0	17.4

1) Size 35: also deliverable as one piece up to a length of 5996 mm
    Size 45: also deliverable as one piece up to a length of 5981 mm
    Size 55: also deliverable as one piece up to a length of 5936 mm
    Size 65 and 65/100: also deliverable as one piece up to a length of 5921 mm
2) Preferred dimension T_1S with tolerances ±0.75

Data to be displayed: 30; 45; 60

Part Number
R180523231.L=[86-3986/1]
R180525231.L=[80-3986/1]
R180526231.L=[86-3986/1]
R180533261.L=[112-3996/1]
R180535231.L=[104-3996/1]
R180536261.L=[112-3996/1]
R180543261.L=[141-3986/1]
R180545231.L=[137-3986/1]
R180546261.L=[141-3986/1]
R180553261.L=[160-3956/1]
R180555231.L=[156-3956/1]
R180556261.L=[160-3956/1]
R180563261.L=[192-3971/1]
R180565231.L=[190-3971/1]
R180566261.L=[192-3971/1]

Minimum order quantity	Standard Shipping Days ?	Rail Length L (mm)	Accuracy	Nominal Part Number	T Dimension (mm)	Rail Option
1	56 Days	86 ～ 3986	Precision Grade (higher)	25	30	With cover strip and strip clamps
1	56 Days	80 ～ 3986	Precision Grade (higher)	25	30	With plastic mounting hole plugs
1	56 Days	86 ～ 3986	Precision Grade (higher)	25	30	With cover strip and protective caps
1	56 Days	112 ～ 3996	Precision Grade (higher)	35	40	With cover strip and strip clamps
1	56 Days	104 ～ 3996	Precision Grade (higher)	35	40	With plastic mounting hole plugs
1	56 Days	112 ～ 3996	Precision Grade (higher)	35	40	With cover strip and protective caps
1	56 Days	141 ～ 3986	Precision Grade (higher)	45	52.5	With cover strip and strip clamps
1	56 Days	137 ～ 3986	Precision Grade (higher)	45	52.5	With plastic mounting hole plugs
1	56 Days	141 ～ 3986	Precision Grade (higher)	45	52.5	With cover strip and protective caps
1	56 Days	160 ～ 3956	Precision Grade (higher)	55	60	With cover strip and strip clamps
1	56 Days	156 ～ 3956	Precision Grade (higher)	55	60	With plastic mounting hole plugs
1	56 Days	160 ～ 3956	Precision Grade (higher)	55	60	With cover strip and protective caps
1	56 Days	192 ～ 3971	Precision Grade (higher)	65	75	With cover strip and strip clamps
1	56 Days	190 ～ 3971	Precision Grade (higher)	65	75	With plastic mounting hole plugs
1	56 Days	192 ～ 3971	Precision Grade (higher)	65	75	With cover strip and protective caps

Download (PDF)

BOSCH REXROTHLink to the website.

Basic information

Set / Single Item	Rail only	Material	Carbon steel	Rolling Element	Roller

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Basic Attributes

Rail Length L(mm)
[80-3996/1mm Unit(s)]
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Nominal Part Number
25

35

45

55

65
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T Dimension(mm)
30

40

52.5

60

75
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Rail Option
- With cover strip and protective caps
- With cover strip and strip clamps
- With plastic mounting hole plugs
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Type
- R1805
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Accuracy
- High Grade (high)
- Precision Grade (higher)
- SP Grade (highest)
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