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Right-angle servo gear units: BS.F
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BS.F series
The low-backlash servo right-angle gear units BS.F from
SEW-EURODRIVE are available in 6 sizes and
5 versions each. Output torques up to 1900 Nm are
possible with finely stepped ratios up to i=40 and high
permitted overhung loads.
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Product features
- High permitted torques
– Wide gearing components
– Large shaft diameter
– Positively connected
drive elements
- High permitted overhung loads
– Taper roller bearings
– Large shaft diameter
– Angular contact ball bearings
- Constantly low circumferential backlash
– Wear-free gearing
– Precise gearing
– Careful assembly
- Compact, light-weight design
– Aluminum housing for BS...202 – BS...402
– Bevel gear set with offset axis
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- Highest degree of variability
– Various output shafts
– Screw fitting via B5 flange,
front or foot end
- Finely stepped ratios up to i=40
– Two-stage gear units with
· Helical input stage
· Helical-bevel output stage
- Reliable and long-lived
– Use of:
· High-quality anti-friction bearings
· Reliable seals
· Synthetic lubricants
- Wear-free gearing
– Ground gearing components
– Optimized tooth geometry
– High efficiency levels
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Options
- Food grade lubricant (Klübersynth UH1 6-460)
- Surface protection OS1 to OS4
- Neutral nameplate
- Shaft outputs at both ends possible for BS(K)F
- Stainless steel output shaft (on request)
- Toothed output shaft according to DIN 5480 for BSF (on request)
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Types |
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BS(K)F:
Solid shaft - smooth or with key |
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BSBF:
Flange block shaft according to DIN 9409 with EBH adapter |
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BSHF:
Hollow shaft with shrink disc |
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BSAF:
Hollow shaft with keyway |
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BS.F for direct mounting
DS/CM motors from SEW-EURODRIVE and CMP directly, without adapter
available for all types |
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BS..F
with EBH adapter for all common servomotors |
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Overview of sizes – PS..F |
Types |
Sizes |
MN
[Nm] |
Reduction ratio
2-stage |
Circumferential backlash |
Standard |
Reduced |
BSF
BSKF
BSBF
BSHF
BSAF
BSF..B
BSKF..B
BSBF..B
BSHF..B
BSAF..B |
202 |
40 |
3, 4, 6, 8, 10, 15, 20, 25 |
6' |
3' |
302 |
80 |
3, 4, 6, 8, 10, 15, 20, 25, 30 |
402 |
160 |
3, 4, 6, 8, 10, 15, 20, 25, 30 |
502 |
320 |
3, 4, 6, 8, 10, 12, 15, 20, 25, 30, 35 |
602 |
640 |
3, 4, 6, 8, 10, 12, 15, 20, 25, 30, 35, 40 |
802 |
1500 |
4, 6, 8, 10, 12, 15, 20, 25, 30, 35, 40 |
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Options for right-angle servo gear units |
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Option BS..F___/B
Foot and face mounting |
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Option BSHF___/T
Torque arm |
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Option BSHF___/I
Shrink disc on the output end |
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Option BS..F___/R
Reduced circumferential backlash <3‘ |
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 Useful links
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F', 'images/bs_f_xl.jpg',500,500) "BS(K)F with Solid shaft smooth/with key")
 "BSBF Flange block shaft according to DIN 9409 with EBH adapter")
 "BSHF Hollow shaft with shrink disc")
 "BSAF Hollow shaft with keyway")
 "BSF for direct mounting")
 "BS..F with EBH adapter for all common servomotors")
BS.F series ...