What are the most popular models of sealed four row tapered roller bearings?-NEWS-FV BEARING INDUSTRIES
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What are the most popular models of sealed four row tapered roller bearings?

Oct 22, 2021

5D-cold-rolling-hero


Four-row tapered roller bearings are designed specifically to support the work rolls of rolling mill stands. As their purpose suggests, they are engineered to withstand heavy and impact loads transmitted – radially and axially – as steel passes through rolling stands and is reduced in thickness by the work rolls. They must also accommodate wide speed variations with rapid acceleration and deceleration.


Equally challenging to these bearings is the environment: not only high temperatures but mill scale contamination and water penetration as well. FV four-row tapered roller bearings are available with carbonitriding steel to deliver superior durability and wear resistance. For aggressive environments, FV's Sealed design offers improved heat- and water-resistant sealing protection, promoting reduced grease consumption and maintenance costs.



PROVEN BENEFITS

1. Higher reliability and longer operating life with( VD+LF or ESR ) Ni & Mo low carbon alloy steel, reducing bearing replacement and maintenance intervals

2. Sealed design solution extends bearing performance, promotes a cleaner work environment and significantly reduces grease consumption

3. Advanced Palmax grease from KYODO YUSHI for sealed-type bearings provides optimal water-resistance, preventing grease deterioration and bearing damage


KVS series 4 ROW TAPERED ROLLER BEARINGS from www

DESIGN FEATURES


1. Special design high load capacity four-row tapered roller bearing

2. With carbonitriding steel for dramatically longer service life under contaminated operating conditions

3. With machined steel window and pin-type cages

4. Spiral groove on the inner ring bore to prevent creeping wear on the roll neck shaft

5. Available as open or advanced heat- and water-resistant sealed-type bearings

6. Sealed version available with long-life PALMAX grease

7. Corrosion resistant phosphate option for inner ring

8. With special radial and axial internal clearances

9. Available in inch and metric design types


DESIGNATION SYSTEM (SEALED TYPE)




BEARING DIMENSIONS AND OPERATING VALUES (SEALED TYPE)

BEARING CODE
new KVS series

BEARINGDIMENSIONSBASICLOADRATINGS
dDB4C4r(min)r1(min)DynamicStatic
STF170KVS2401EG
1702401751752.52.510202010
STF215KVS2851EG*215.9288.925177.8177.83.30.810702350
STF216KVS3351EG*216.103330.2263.525269.8753.31.522904550
STF220KVS3301EG
2203302602603423304800
STF220KVS3151EG*220.662314.325239.712239.7123.31.519604350
STF228KVS3151EG*228.6311.15200.025200.0253.31.515603500
STF234KVS3251EG*234.95327.025196.85196.853.31.515503200
STF241KVS3451EG*241.478349.148228.6228.63.31.520204150
STF244KVS3251EG*244.475327.025193.68193.6831.513703050
STF245KVS3402EG
2453453103103227006650
STF254KVS3552EG*254358.775269.875269.8753.31.524205500
STF260KVS3601EG
26036534034042.729607350
STF260KVS3651EG*26036534034042.529607350
STF260KVS4251EG*260.35422.275314.325317.53.36.436007050
STF266KVS3551EG*266.7355.6230.188228.63.31.519604600
STF275KVS3801EG
2753803403403331007750
STF276KVS3952EG*276.225393.7269.875269.8753.31.527206100
STF279KVS3952EG*279.4393.7269.875269.8756.41.527206100
STF279KVS3954EG*279.4393.73203206.41.531007350
STF280KVS3801EG
2803802902903326906500
STF280KVS3804EG
28038034034041.528707650
STF280KVS4301EG
2804303503503.5241008558
STF290KVS4001EG
2904003463464332508400
STF304KVS4351EG*304.648438.048280.99279.43.33.331006750
STF304KVS4155EG*304.8419.1269.875269.8756.41.528506550
STF304KVS4152EG*304.902412.648266.7266.73.31.527606500
STF310KVS4301EG
3104303103103333508200
STF310KVS4302EG
31043035035032.737009550
STF317KVS4251EG*317.5422.275269.875269.8753.31.527406750
STF317KVS4451EG*317.5447.67536736733.638509500
STF343KVS4551EG*340.052457.0982542543.31.528306700
STF355KVS4551EG*355.6457.2252.412252.4123.31.526506750
STF355KVS4851EG*355.6482.6265.112269.8753.31.531007200
STF374KVS5051EG*374.65501.65250.825260.353.3129707150
STF384KVS5451EG*384.175546.1400.05400.056.43.3525012400
STF385KVS5151EG*385.762514.35317.5317.53.33.3415010400
STF390KVS5101EG
39051035035031.5390010800
STF406KVS5451EG*406.4546.1288.925288.9256.41.539509450
STF406KVS5452EG*406.4546.13303306.41435011000
STF406KVS5651EG*406.45623813816.43.3495011900
STF409KVS5451EG*409.575546.1334.962334.9626.41.5450011700
STF450KVS5901EG
45059536836854555015000
STF457KVS5951EG*457.2596.9276.225279.43.31.540009850
STF482KVS6151EG*482.6615.95330.2330.26.44.3490013500
STF489KVS6351EG*489.026634.873320.675320.6753.33.3485012500
STF490KVS6201EG
49062538538533565016600
STF558KVS7353EG*558.8736.6455.6457.26.43.3830023000
STF585KVS7751EG*585.788711.525479.425479.4256.43825022700
STF660KVS8151EG*660.4812.8365.125365.1256.43.3605017700
STF708KVS9351EG*708.025930.275565.15565.156.43.31200034000

Note: Bearings marked ( * ) are inch size design.


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FV Bearings is a leading roller bearings manufacturer provides high quality and durable roller bearings for different industries such as automotive, aerospace, machinery, power plants, chemistry industry, agriculture and other fields.

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