Image for Illustration purposes only. Actual product may vary

Boston Gear 30268434 SF852BR-28K-B9-M1 helical speed reducer with 28:1 ratio, case size 5, and 2 helical stages. Features a B9 (180TC) input flange. Cast iron housing for industrial power transmission applications.

Name: Boston Gear 30268434 SF852BR-28K-B9-M1 helical speed reducer with 28:1 ratio, case size 5, and 2 helical stages. Features a B9 (180TC) input flange. C
Brand: Boston Gear
Price: 1933.47 USD
Availability: InStock
Rating: 5.0 (4 reviews)

MODEL SF852BR-28K-B9-M1

BRAND

Boston Gear

SKU

46593

WEIGHT

38.100 lb

UOM

each

Contact supplier for technical support on: 800-626-2120

$1,933.47 Each

Prices are subject to change

FREE SHIPPING ON ORDERS OVER $100

Select Quantity

GET A QUOTE

Typically Ships in: 1 day

Returnable: See conditions

Boston Gear 800BR Series helical worm gear drives are heavy duty helical gear drives with long life performance features and simplified maintenance. The 800BR Series comes in double and triple reduction ratios from 8:1 through 900:1 and a maximum 10HP rating. As always, the 800BR Series is available via Reducer Express.

Pre-Lubricated	Yes
Ratio	28
Max Input HP	3
Fan Cooled	No
Unit Of Measure Show	EN
Output RPM @1750	62.0
Output Shaft Style	Hollow O/P
Product Family	800BR Series
Exact Gear Ratio	27.428
Product Description	SF852BR-D/R Red 28:1 Ratio, No Base, "H" Assy
Rated Efficiency	75%
Base	No Base
Max Output Torque Cap	2263
Input Frame Size	B9-210C/180TC
Input Style	Quill
Reduction Stages	Double
Weight	38
Motor HP	3
Recommended Lubrication	Klubersynth Uh1 6-460
Family Id	30, 313
AGMA Service Class	I
Output Shaft O.D./Bore Size	1.375

Catalog Product Section

Engineering Data

Full Catalog

Installation & Operation Manual

SKU: 38404

Boston gear order

MRO had the items that I needed. I ordered them and they were shipped faster than I expected. It was a pleasant experience all around.

SKU: 35645

Change gears

Found what I needed, fair price,...fast delivery....All Good!! Good job MRO Supply!

SKU: 564304

Good quality, fast delivery.

Easy ordering, don't have a minimum quantity, and fast delivery. Very satisfied with order.

SKU: 34930

Quality coordinator

GOOD QUALITY AND SERVICE.

When will I be charged for my order?

Do you provide credit terms?

Can I get a discounted price? I am a reseller / government entity.

What is the return/warranty policy?

Can it be shipped today?

Does “Usually ships in 24 hours” mean it’s in stock?

Read full FAQ

Recently Viewed

#2291644

Kop-Flex 1984376 1 1/2 HUB TBORE Series H gear coupling hub with tapered bore for secure mounting on tapered shafts. Series H gear couplings provide drop-in replacement on competitor sizes 1-7, delivering reliable torque transmission in industrial applications.

Brand	KOP-FLEX
Model	1984376

$579.56 Each

Free Shipping orders over $100

#1984336

Jason Industrial 4L200 FHP V-Belt, 4L section with 1/2" top width and 5/16" depth, 20" outside length. Single-rib fractional horsepower belt for light-duty industrial and HVAC applications. Chloroprene rubber body with polyester tension cord and fabric cover.

Brand	Jason Industrial
Model	4L200

$7.27 Each

Free shipping

#1963226

Champion CM95XB-1/2X10X12 SDS+HAMMER BIT 4 CUTTER 4 FLUTE

Brand	Champion
Model	CM95XB-1/2X10X12

$23.86 Each

Free shipping

#6060640

Pramet SVHCL 2020 K 16-M-A 6756615 Turning Toolholder ISO S

Brand	Pramet
Model	6756615

$132.20 Each

Free Shipping orders over $100

#2855087

Orbit ESLA-B-B-1-R-AC LED CAST AL EXT SIGN BK HSGBLK FP1FRD LTRS AC ONLY

Brand	Orbit Industries
Model	ESLA-B-B-1-R-AC

$116.76 Each

Free Shipping orders over $100

#817968

Fenner H0951 B-LOC Shrink Disc 95-10 external clamping collar locks a hollow hub to a shaft for keyless, backlash-free torque transmission. The 95-10 series provides high concentricity and infinite axial adjustment in industrial power transmission applications. Designed for higher torque than bushings, this shrink disc eliminates keyway machining and shaft fretting.

Brand	Fenner Industrial Motion
Model	H0951

$261.59 Each

Free Shipping orders over $100

#26175

Baldor VL1313A 1.5 HP, 3450 RPM single-phase general purpose motor with NEMA 56C frame and open drip-proof (ODP) enclosure. C-face footless design for fans, blowers, and light industrial machinery. Operates on 115/230V at 60 Hz with 1.15 service factor and Class F insulation.

Brand	Baldor
Model	VL1313A

Add to cart to see price

Free Shipping orders over $100

#96759768

NTN 430328X single row tapered roller bearing assembly with straight bore. Designed for combined radial and axial loads in gearboxes, wheel hubs, and industrial machinery. Precision-ground rollers and raceways ensure reliable performance under heavy-duty conditions.

Brand	NTN Bearing
Model	430328X

$8,412.88 Each

Free Shipping orders over $100

Reviews

SKU: 38404

Boston gear order

MRO had the items that I needed. I ordered them and they were shipped faster than I expected. It was a pleasant experience all around.

SKU: 35645

Change gears

Found what I needed, fair price,...fast delivery....All Good!! Good job MRO Supply!

SKU: 564304

Good quality, fast delivery.

Easy ordering, don't have a minimum quantity, and fast delivery. Very satisfied with order.

SKU: 34930

Quality coordinator

GOOD QUALITY AND SERVICE.

Boston Gear 30268434 SF852BR-28K-B9-M1 helical speed reducer with 28:1 ratio, case size 5, and 2 helical stages. Features a B9 (180TC) input flange. Cast iron housing for industrial power transmission applications.

Return policy