BM Size 35 Technical Specifications

Balancing High Load and High Speed

Rail Types BM S 35

BM S 35-N	BM S 35-NU	BM S 35-C

Standard Standard	Tapped Holes at Bottom Tapped holes at bottom	Cover Strip Cover strip

Rail Dimensions BM S 35

BM S 35 Rail Dimensions

Rail Specifications BM S 35

Parameter	BM S 35-N	BM S 35-NU	BM S 35-C
Rail Width B1 (mm)	34	34	34
Rail Height J1 (mm)	29.5	29.5	29.5
Max Single Piece Length L3 (mm)	6000	6000	6000
Mounting Hole Pitch L4 (mm)	80	80	80
First/Last Hole Position L5/L10 (mm)	38.5	38.5	38.5
Weight per Meter (kg/m)	5.4	5.7	5.2

Carriage Types BM W 35

BM W 35-A / B	BM W 35-C / D	BM W 35-E	BM W 35-F / G

Standard / Standard Long Standard / Standard long	Compact High / Compact High Long Compact high / long	Lateral Mounting Lateral fixation	Compact / Compact Long Compact / Compact long

Carriage Dimensions BM W 35

BM W 35 Carriage Dimensions

Carriage Specifications BM W 35

Parameter	BM W 35-A	BM W 35-B	BM W 35-C	BM W 35-D	BM W 35-F	BM W 35-G	BM W 35-H	BM W 35-J	BM W 35-K	BM W 35-L	BM W 35-M	BM W 35-N
System Height A (mm)	48	48	55	55	55	55	48	48	44	44	44	48
Carriage Width B (mm)	100	100	70	70	70	70	100	100	70	70	55	70
Reference Surface Distance B2 (mm)	33	33	18	18	18	18	33	33	18	18	15	18
Carriage Height J (mm)	40.8	40.8	48.2	48.2	48.2	48.2	40.8	40.8	36.8	36.8	36.8	40.8
Carriage Length L (mm)	110.3	127.6	110.3	127.6	97.4	110.3	127.6	79.5	110.3	79.5	110.3	79.5
Steel Body Length L6 (mm)	78.3	95.6	76.1	95.6	63.2	76.1	95.6	47.5	78.1	47.5	78.3	47.5
Lateral Mounting Hole Pitch N (mm)	86	86	56	56	56	56	86	90	56	56	44	56
Reference Surface Height O (mm)	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5
Carriage Weight (kg)	1.8	2.5	1.5	2.2	1.4	1.8	1.2	1.2	1.3	0.9	1.2	0.9

Rigidity Curve and Load Ratings

BM W 35 Rigidity Curve and Load Ratings

Load Ratings

Carriage Type	C₀ Static Load (N)	C₁₀₀ Dynamic Load (N)	M₀Q Static Cross Moment (Nm)	M₀L Static Long. Moment (Nm)	MQ Dynamic Cross Moment (Nm)	ML Dynamic Long. Moment (Nm)
A / C / H	84,400	30,700	1,502	1,252	543	453
B / D / G	103,300	40,500	1,809	2,024	709	793
F	84,400	30,700	1,502	1,252	543	453
J / K / L / M / N	37,700	24,000	539	233	355	154

Load Rating Definitions

C₀ = Static load capacity
C₁₀₀ = Dynamic load capacity - 100km travel life
M₀Q / MQ = Cross moment (lateral)
M₀L / ML = Longitudinal moment

Available Options

Accuracy Classes

Accuracy Class	Carriage/Rail Tolerance A/B2	Matched Carriage Max Deviation ΔA/ΔB2	Standard Carriage Max Deviation
G0 Highly Accurate	± 5 µm	3 µm	10 µm
G1 Very Accurate	± 10 µm	5 µm	20 µm
G2 Accurate	± 20 µm	7 µm	40 µm
G3 Standard	± 30 µm	25 µm	60 µm

Preload Classes

Preload Class	Preload Force (% of C₀)	Application
V0 Extra Light Preload	0-2%	Extremely low friction, uniform load, minimal vibration
V1 Light Preload	3%	Low friction, uniform load, slight vibration
V2 Medium Preload	8%	High rigidity, moderate variable load and vibration
V3 High Preload	13%	Maximum rigidity, impact loads, highly variable loads

Reference Side

R1 - Reference at Bottom R2 - Reference on Top

Order Code Examples

Rail Order Code

BM S 35-N-G1-KC-R1-500-38.5-38.5

BM S 35 = MONORAIL Ball Profile Rail Size 35
N = Standard (top mounting)
G1 = Very Accurate
KC = Countersunk mounting holes
R1 = Reference at bottom
500 = Rail length 500mm
38.5-38.5 = First/last hole positions

Carriage Order Code

BM W 35-A-V1-S11-LV-CN

BM W 35 = MONORAIL Ball Profile Carriage Size 35
A = Standard carriage
V1 = Light preload
S11 = Lubrication port position (top center)
LV = Full greasing
CN = Hard chromium coating