BM Size 25 Technical Specifications | SCHNEEBERGER MONORAIL & AMS

Rail Types BM S 25

BM S 25-N	BM S 25-NU	BM S 25-C

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

Rail Dimensions BM S 25

BM S 25 Rail Dimensions

Rail Specifications BM S 25

Parameter	BM S 25-N	BM S 25-NU	BM S 25-C
Rail Width B1 (mm)	23	23	23
Rail Height J1 (mm)	22.7	22.7	22.7
Max Single Piece Length L3 (mm)	6000	6000	3000
Mounting Hole Pitch L4 (mm)	60	60	60
First/Last Hole Position L5/L10 (mm)	28.5	28.5	28.5
Weight per Meter (kg/m)	3.0	3.1	2.8

Carriage Types BM W 25

BM W 25-A / B	BM W 25-C / D	BM W 25-E	BM W 25-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 25

BM W 25 Carriage Dimensions

Carriage Specifications BM W 25

Parameter	BM W 25-A	BM W 25-B	BM W 25-C	BM W 25-D	BM W 25-E	BM W 25-F	BM W 25-G	BM W 25-H	BM W 25-J	BM W 25-K	BM W 25-L	BM W 25-N
System Height A (mm)	36	36	40	40	40	36	36	33	33	33	33	36
Carriage Width B (mm)	70	70	48	48	57	48	48	73	73	48	48	48
Reference Surface Distance B2 (mm)	23.5	23.5	12.5	12.5	17	12.5	12.5	25	25	12.5	12.5	12.5
Front Center Lube Port C1 (mm)	5.5	5.5	9.5	9.5	9.5	5.5	5.5	4.3	4.3	4.3	4.3	5.5
Side Lube Port Position C3 (mm)	5.5	5.5	9.5	9.5	9.5	5.5	5.5	3.8	3.8	3.8	3.8	5.5
Side Lube Port Position (2nd) C4 (mm)	13.8	23.3	18.8	20.8	18.8	18.8	20.8	18.8	24.4	24.4	18.8	24.4
Top Lube Port Position C7 (mm)	13.5	23	18.5	20.5	18.5	18.5	20.5	18.5	24.1	24.1	18.5	24.1
Carriage Height J (mm)	30.5	30.5	34.5	34.5	34.5	30.5	30.5	27.5	27.5	27.5	27.5	30.5
Carriage Length L (mm)	84.9	103.9	84.9	103.9	84.9	84.9	103.9	84.9	61.1	61.1	84.9	61.1
Mounting Hole Pitch L1 (mm)	45	45	35	50	35	35	50	35	—	—	35	—
Mounting Hole Pitch L2 (mm)	40	40	—	—	35	—	—	—	—	—	—	—
Steel Body Length L6 (mm)	59.5	78.5	59.5	78.5	59.5	59.5	78.5	59.5	35.7	35.7	59.5	35.7
Lateral Mounting Hole Pitch N (mm)	57	57	35	35	—	35	35	60	60	35	35	35
Reference Surface Height O (mm)	7	7	10	10	15	10	10	8	8	9.5	9.5	9.5
Connection Thread (M×L) P	6x6	6x6	6x6	6x6	6x6	6x6	6x6	3x6	3x6	3x6	3x6	6x6

Rigidity Curve and Load Ratings

BM W 25 Rigidity Curve and Load Ratings

Load Ratings

Parameter	BM W 25-A	BM W 25-B	BM W 25-C	BM W 25-D	BM W 25-E	BM W 25-F	BM W 25-G	BM W 25-H	BM W 25-J	BM W 25-K	BM W 25-L	BM W 25-N
Static Load Capacity C₀ (N)	46100	60300	46100	60300	46100	46100	60300	46100	18200	18200	46100	18200
Dynamic Load Capacity C₁₀₀ (N)	21100	25500	21100	25500	21100	21100	25500	21100	12800	12800	21100	12800
Static Cross Moment Capacity M₀Q (Nm)	631	825	631	825	631	631	825	631	251	251	631	251
Static Longitudinal Moment Capacity M₀L (Nm)	513	863	513	863	513	513	863	513	101	101	513	101
Dynamic Cross Moment Capacity MQ (Nm)	289	349	289	349	289	289	349	289	176	176	289	176
Dynamic Longitudinal Moment Capacity ML (Nm)	235	365	235	365	235	235	365	235	71	71	235	71
Carriage Weight (kg)	0.7	0.9	0.6	0.8	0.7	0.6	0.7	0.6	0.4	0.3	0.4	0.4

Load Rating Definitions

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

Available Options

Based on the Available options icon bar in the catalogue.

Common to Rails and Carriages

Accuracy Classes

	G0	Highly accurate
	G1	Very accurate
	G2	Accurate
	G3	Standard

Reference Side

	R1	Reference bottom
	R2	Reference top

Coating

	CN	None
	CH	Hard chromium

Rails

Straightness

KC

Standard

Carriages

Preload Classes

	V0	Very low
	V1	Low
	V2	Medium
	V3	High

Lubrication Ports

	S10	Left center
	S20	Right center
	S11	Top left
	S21	Top right
	S12	Lower left side
	S22	Lower right side
	S13	Upper left side
	S23	Upper right side
	S32	Left side
	S42	Right side
	S99	All end-face ports closed with threaded plugs

Lubrication as Delivered

	LN	Oil protect
	LG	Grease protect
	LV	Full greasing

Order Code Examples

Rail Order Code

BM S 25-N-G1-KC-R1-500-28.5-28.5

BM S 25 = MONORAIL Ball Profile Rail Size 25
N = Standard (top mounting)
G1 = Very accurate
KC = Standard straightness
R1 = Reference at bottom
500 = Rail length 500mm
28.5-28.5 = First/last hole positions

Carriage Order Code

BM W 25-A-V1-S11-LV-CN

BM W 25 = MONORAIL Ball Profile Carriage Size 25
A = Standard carriage
V1 = Low preload
S11 = Lubrication port position (top center)
LV = Full greasing
CN = No coating (not chrome-plated; hard chromium is CH)