Rolling mill bearings

Ball Bearing Single Row Deep Groove

A single row deep groove ball bearing is the world's most common bearing, featuring deep, uninterrupted raceway grooves in its inner and outer rings that allow it to handle both radial (perpendicular to the shaft) and axial (parallel to the shaft) loads in both directions, offering high speed, low friction, robustness, and versatility for numerous applications like electric motors, pumps, and automotive parts, available in open, shielded, or sealed versions. 

Metric Series:·Inner Diameter: 10–1400 mm;Outer Diameter: 30–1700 mm;Width: 8–132 mm;

Materials:Bearing Rings & Rolling Elements: Chrome Steel (GCr15/GCr15SiMn), Carburizing Bearing Steel (G20Cr2Ni4A), Stainless Steel;Cages: Pressed steel strip, metal machined solid materials (depending on size and model).

Delivery:Standard models: Determined based on order quantity negotiation;

Customized models: Typically 4-6 weeks, specifically determined according to customization complexity, material supply and production schedule, supporting urgent production services.




Techspecs

BounDary dimensionBasic load ratingsDesignationsMassinstallation dimensionLimiting speeds
mmkNmmr/min
dDBrminCrCorCurrentOriginalkgdaminDamaxramaxGreaseOil
150190201.149.158.5NB.683010008301.15156.6183.5130003600

2102828590.5NB.69301000930H2.59159201228003400

225241.191.998.5NB.1603070001303.62156.5218.5126003000

225352.1132125NB.60301304.24161214226003000

270453203199NB.6230230101632572.519002500

320654288295NB.633033022.7166304318002300
160200201.148.561NB.683210008321.23166.5193.5128003400

2202828796NB.69321000932H2.71169211226003200

240251.599108NB.1603270001324.21682321.524003000

240382.1145138NB.60321325.15171229224003000

290483215218NB.6232232H14.51732772.519002400

340684313340NB.633233229176324318002200
170215221.161.578NB.683410008341.9176.5208.5126003200

23028288.8100NB.693410009342.85179221224003000

260281.5118130NB.1603470001345.711782521.522002800

260422.1170170NB.60341346.89181249222002800

310524245260NB.623423415.8186294319002400

360724335378NB.633433436.6286344317002000
180225221.162.378.5NB.683610008361.72186.5218.5124003000

250332119133NB.69361000936H4.16189241222002800

260342140147NB.61936X37366.1


21002700

280312145157NB.1603670001367.5189271220002600

280462.1188198NB.60361368.88191269220002600

320524262285NB.623623615.9196304318002200

380754355405NB.633633643.1196364216002000
BounDary dimensionBasic load ratingsDesignationsMassinstallation dimensionLimiting speeds
mmkNmmr/min
dDBrminCrCorCurrentOriginalkgdaminDamaxramaxGreaseOil
190240241.575.193.5NB.68381000838H2.531982321.522002800

260332117133NB.69381000938H5.18199251222002800

290312149168NB.1603870001387.78199281220002600

290462.1188201NB.6038138K19.39201279220002600

340554285322NB.623823822.3206324317002000

400785355415NB.633833849.7210380416001900
200250241.57498NB.68401000840H2.672082421.522002800

280382.1149168NB.69401000940H7.28211269220002600

310342167191NB.16040700014010209301219002400

310512.1207226NB.604014012211299219002400

360584288332NB.624024026.7216344317002000

420805380445NB.634034055.3220400415001800
220270241.576.597.8NB.68441000844H2.92282621.519002400

300382.1152178NB.694410009447.88231289219002400

340372.1180217NB.16044700014413.1231329218002200

340563252268NB.604414418.62333272.518002200

400654355365NB.624424437.4236384315001800

460885410520NB.634434473.9240440413001600
24030028283.5108NB.684810008484.48249291218002200

320382.1154190NB.61948M1000948H8.49251309218002200

360372.1196243NB.16048700014813.9251349217002000

360563270292NB.604814819.92533472.517002000

440724358467NB.624824850.5256424313001600

500955470625NB.634834894.4260480411001400
BounDary dimensiousBasic load ratingsDesignationsMassinstallation dimensionLimiting speeds
mmkNmmr/min
dDBrminCrCorCurrentOriginalkgdaminDamaxramaxGreaseOil
260320282101148NB.61852M1000852H4.84269311217002000

360462.1210268NB.61952M1000952H14271349216001900

400443237310NB.16052700015221.12733872.515001800

400654291375NB.6052M152H29.4276384315001800

480805400540NB.625225267280460411001400

5401026505710NB.6352352118284516510001300
280350332133191NB.6185610008567.2289341216001900

380462.1209272NB.61956M1000956H15.1291369215001800

420443243330NB.16056700015622.72934072.514001700

420654300410NB.605615631.2296404314001700

500805400550NB.625625670.4300480411001400

5801086570840NB.635635614430455659501200
300360252105166NB.60860X17605.05


15001800

380382.1166233NB.61860100086010.3311369214001700

420563269370NB.61960M1000960H23.93134072.513001600

460504285405NB.16060700016031.5316447312001500

460744355500NB.606016044.2316447312001500

540855465670NB.626026087.8320520410001300

6201097.5593886NB.632032016933258868001000
320400382.1168244NB.61864100086410.8331389213001600

440563275392NB.61964100096425.33334272.512001500

480504293430NB.16064700016433.2336464311001400
BounDary dimensiousBasic load ratingsDesignationsMassinstallation dimensionLimiting speeds
mmkNmmr/min
dDBrminCrCorCurrentOriginalkgdaminDamaxramaxGreaseOil
320480744390570NB.606416446.5336464311001400

580925530805NB.626426411134056049501200
340420382.1175265NB.61868100086811.5351409212001500

460563292418NB.61968100096826.63534472.511001400

520574345520NB.16068700016845356507310001300

520825440660NB.606816862.3360500410001300

620926530820NB.626826812936459659001100
360440382.1192290NB.61872100087211.8371429211001400

480563280425NB.61972100097227.93734672.511001400

540574351550NB.16072700017249376527310001300

540825460720NB.607217265.3380520410001300

550855460720NB.61072X387272.6380530410001300

650956555905NB.62722721453846264750950
380480462.1238375NB.61876100087619.5391469210001300

520443256390NB.16976700097630.5


10001300

520654325510NB.61976100097640396504310001300

560574377620NB.16076700017651


9501200

560825455725NB.60761766840465659501200
400500462.1241390NB.61880100088020.5411489210001300

540654335540NB.6198010009804241652439501200

600905510825NB.608018088.442058049001100
420520462.1245410NB.61884100088421.443150929501200

560654340570NB.61984100098443.643654439001100

620905530895NB.608418492.244060049001100
440540462.1249425NB.61888100088822.345152929001100

600744395680NB.61988F3100098860.245658439001100

650946550965NB.608818810646063048501000
BounDary dimensiousBasic load ratingsDesignationsMassinstallation dimension

Limiting speeds
mmkNCurrentOriginalkgmm

r/min
dDBrminCrCorCurrentOriginal
daminDamaxramaxGreaseOil
460580563310550NB.61892100089234.34735672.59001100

620744405720NB.61992100099262.647660438501000

68010066051080NB.60921921234806604800950
480600563315575NB.61896100089635.44935872.58501000

650785450815NB.61996100099673.55006304800950

70010066051090NB.60961961275006804750900
500620563320600NB.618/50010008/50037.25136072.5800950

670785460865NB.619/50010009/500825206504750900

72010066301170NB.60/5001/5001315246965750900
530650563325625NB.618/53010008/53039.85436372.5750900

710825455870NB.619/53010009/53089.85506904750900

78011266801300NB.60/5301/5301845547565700850
560680563330650NB.618/56010008/56041.55736672.5700850

7508555251040NB.619/56010009/5601055807304670800
600730603355735NB.618/60010008/60050.96137172.5670800

8009055501160NB.619/60010009/6001206207804630750

87011867901640NB.60/6001/6002366248465600700
630780694420890NB.618/63010008/63071.36467673630750

85010066251350NB.619/63010009/6301636548265600700

9201287.57501620NB.60/630N11/630K2856628886560670
670820694435965NB.618/67010008/67075.46868073560670

90010366751460NB.619/67010009/6701816948765530630

9801367.57651730NB.60/6701/6703517029486500600
7108707444801100NB.618/71010008/71092.67268543530630

95010667151640NB.619/71010009/7102207349265500600

10301407.510202310NB.60/7101/7103867429986480560
BounDary dimensiousBasic load ratingsDesignationsMassinstallation dimensionLimiting speeds
mmkNmmr/min
DDBrminCrCorCurrentOriginalkgdaminDamaxramaxGreaseOil
7509207855251260NB.618/75010008/7501107709004500600

100011267851840NB.619/75010009/7502457749765480560

10901507.59952360NB.60/7501/75048578210586450530
8009808255301310NB.618/80010008/8001328209604450530

106011568252050NB.619/80010009/80027582410365430500
85011501101012703860NB.618/850X33707/850140904109610430500
90010908556181532NB.618/90010008/90016092010704380450
1000122010066371250NB.618/100010008/1000245102411965340400
1060128010067281500NB.618/106010008/1060260108412565300360
1120136010667651960NB.618/112010008/1120315114413365--
1140138010668582390NB.618/114010008/1140324


--
1180142010667922210NB.618/118010008/1180342120413965260320
1250150011239272670NB.618/125010008/1250178127414765

1320160012269562350NB.618/132010008/1320500134415765190240
140017001327.511202750NB.618/140010008/14006151432168861902

Description

Design Principles:Adopt a matching design of deep groove raceways and rolling elements to maximize contact area, uniformly transmit radial and bidirectional axial loads, and reduce local stress concentration;Simple overall structural design, reducing friction loss between components and improving operational efficiency and reliability; Optional seal types (open type, sealed type, shielded type) to adapt to different cleanliness working conditions; lubrication methods support grease lubrication, oil lubrication and customized solutions to meet different speed and temperature requirements. Performance Features:High Precision and Stability: Precisely machined raceways and rolling elements ensure stability under high-speed operation, minimizing vibration and noise;Long Life and Durability: High-quality bearing steel materials combined with advanced manufacturing processes, excellent wear resistance and fatigue resistance, maintaining a long service life even in harsh environments;Multifunctional Adaptability: Can bear radial loads alone, as well as combined loads and pure axial loads under high-speed working conditions, adapting to various force-bearing scenarios;Cost-Effectiveness: Simple structure for easy maintenance and low replacement cost, effectively reducing equipment downtime and maintenance costs, and improving overall production efficiency.
Ball Bearing Single Row Deep Groove

Features

Quality Assurance

Over 30 years of industry experience, more than 50 invention patents, certified by ISO9001 quality management system and ISO14001 environmental management system, strict quality control processes, products meeting high industry standards;

Strong Customization Capability

Professional team provides personalized solutions, tailored to working conditions and needs, optimizing equipment adaptability and operational efficiency;

Working Principle

Ball Bearing Single Row Deep Groove
Working Principle:Rolling Element Movement and Load Transmission:Rolling elements (steel balls) roll between the deep groove raceways of the inner and outer rings. Utilizing the guiding effect of the deep groove structure, they uniformly transmit radial loads and bidirectional axial loads, reducing friction loss; the cage guides the rolling elements to move in order, avoiding mutual collision, lowering operating temperature rise, and ensuring stability under high-speed and heavy-load working conditions. Installation and Maintenance Adaptability:Installation requires precise alignment between the bearing, shaft and housing bore. After cleaning the bearing and mounting surface, apply suitable lubricant, and fix it by pressing with uniform force to avoid premature wear caused by installation deviation; sealed/shielded structure can isolate dust, impurities and moisture, extending the maintenance cycle; open structure facilitates regular grease replenishment and inspection, suitable for high-frequency maintenance scenarios. Regular visual inspection, vibration and temperature monitoring, and timely grease replenishment or replacement of lubricant according to working conditions can effectively extend the bearing service life.

Application & Case

1. Electric Motors

Application: In small and large motors (e.g., household appliances, industrial machinery, and electric vehicles), single-row deep groove ball bearings help reduce friction and wear, ensuring smooth operation and increasing motor lifespan.

2. Automotive Applications

Application: These bearings are widely used in automotive components such as wheel hubs, steering systems, gearboxes, and alternators.

3. Pumps and Compressors

Application: Single-row deep groove ball bearings are used in pumps, compressors, and other fluid-moving machinery where reliability and smooth operation are crucial.

4. Machine Tools

Application: In CNC machines, milling machines, lathes, and other manufacturing tools, deep groove ball bearings are used to support shafts and spindles.

5. Conveyors and Material Handling Equipment

Application: Ball bearings are often used in conveyor systems, which require smooth rotation of rollers or wheels.

6. Agricultural Machinery

Application: In agricultural equipment such as tractors, harvesters, and irrigation systems, these bearings ensure smooth performance in often harsh environments.

7. Bicycles

Application: Ball bearings are commonly used in the hubs of bicycle wheels, pedals, and bottom brackets.

8. Home Appliances

Application: Household appliances such as washing machines, dryers, fans, and vacuum cleaners use single-row deep groove ball bearings.

FAQ

It is necessary to comprehensively consider load capacity, operating speed, working environment (temperature, humidity, cleanliness) and installation size requirements. Our technical team can provide professional support to assist in matching the optimal bearing solution.
The delivery time for customized bearings depends on the complexity of customization, usually 4-6 weeks. We will try our best to shorten the delivery time according to the production schedule, and support urgent production services for high-demand scenarios.
Yes. We support providing samples for customers to conduct performance testing and adaptability evaluation before bulk purchase, ensuring that the products meet the actual application needs.
It is necessary to select suitable seal types (such as sealed type, shielded type) and special lubricants to isolate external impurities and moisture; follow the regular maintenance guidelines, conduct visual inspections, vibration monitoring and temperature monitoring, timely supplement or replace lubricants, and avoid overloading operation.

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