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Deep Groove Ball Bearing Imperial Sizes

Imperial inch size ball bearings are some of the most common deep groove ball bearings used today. Standard inch round bore sizes range from 0.0937" up to 1.375". We supply imperial ball bearings in a slew of configurations; open, sealed on both sides (-2RS), sealed on one side (-RS), shielded on both sides (-ZZ), shielded on one side (-Z), and snap ring (NR). Supplying one of the largest selections of premium ball-bearings USA Roller Chain & Sprockets sets it's self apart from others by being a tier 1 industry-leading ball bearing supplier with an A+ BBB rating. We also stock a range of additional power transmission and industrial components, for more information or to place an order please contact us and we will be happy to assist you.


Open
(No Seal or Sheild)

RS
(Seal on One Side)

2-RS
(Seal on Both Sid)

Z
(Shield on One Sides)

ZZ
(Shields on Both Sides)

NR
(Retaining Ring)

R-Series Inch Ball Bearings


Bearing Size Bore (d) Diameter (D) Width Open (B) Width Sealed (B) Dynamic Load Rating (LBS) Static Load Rating (LBS) Grease Limiting Speed 2RS (RPM) Grease Limiting Speed ZZ/ Open (RPM) Oil Limiting Speed Open (RPM)
R2 1/8"
3/8" 0.1562" 0.1562" 140LBS 49LBS 26400 49000 58000
R2A 1/8" 1/2" 0.1719" 0.1719" 255LBS 90LBS 29200 42000 51000
R3 3/16" 1/2" 0.1562" 0.196" 292LBS 109LBS 24600 41000 48000
R3A 3/16" 5/8" 0.196" 0.196" 292LBS 109LBS 24600 41000 48000
R4 1/4" 5/8" 0.196" 0.196" 360LBS 150LBS 21600 36000 43000
R4A 1/4" 3/4" 0.2188" 0.2812" 590LBS 239LBS 20400 34000 40000
R6 3/8" 7/8" 0.2188" 0.2812" 750LBS 315LBS 18600 31000 37000
R8 1/2" 1-1/8" 0.25" 0.3125" 1,150LBS 540LBS 15600 26000 30000
R10 5/8" 1-3/8" 0.2812" 0.343" 1,340LBS 7288LBS 12000 20000 23000
R12 3/4" 1-5/8" 0.3125" 0.4375" 2,110LBS 1,120LBS 10800 18000 21000
R14 7/8" 1-7/8" 0.375" 0.5" 2,270LBS 1,310LBS 9000 15000 18000
R16 1" 2" 0.375" 0.5" 2,270LBS 1,310LBS 8400 14000 16000
R18 1-1/8" 2-1/8" 0.375" 0.5" 2,980LBS 1,860LBS 7800 13000 15000
R20 1-1/4" 2-1/4" 0.375" 0.5" 2,980LBS 1,860LBS 7500 12000 14000
R22 1-3/8" 2-1/2" 0.4375" 0.5625" 3,590LBS 2,320LBS 7200 11000 12500
R24 1-1/2" 2-5/8" 0.4375" 0.5625" 3,770LBS 2,590LBS 6900 10000 11500

RLS-Series Inch Ball Bearings


Bearing Size Bore (d) Diameter (D) Width (B) Dynamic Load Rating (LBS) Static Load Rating (LBS) Limiting Speed (RPM)
RLS41/2"1-5/16"3/8"703LBS316LBS32,000
RLS55/8"1-9/16"7/16"976LBS459LBS24,000
RLS63/4"1-7/8"9/16"1,296LBS633LBS20,000
RLS77/8"2"9/16"1,541LBS765LBS19,000
RLS81"2-1/4"5/8"1,816LBS898LBS17,000
RLS91-1/8"2-1/2"5/8"1,990LBS1,020LBS15,000
RLS101-1/4"2-3/4"11/16"2,296LBS1,204LBS14,000
RLS111-3/8"3"11/16"2,602LBS1,398LBS13,000
RLS121-1/2"3-1/4"3/4"3,133LBS1,694LBS11,000
RLS131-5/8"3-1/2"3/4"3,388LBS1,898LBS11,000
RLS141-3/4"3-3/4"13/16"3,582LBS2,000LBS10,000
RLS162"4"13/16"4,449LBS2,551LBS10,000
RLS182-1/4"4-1/2"7/8"4,847LBS2,857LBS8,000
RLS202-1/2"5"15/16"6,306LBS3,827LBS7,000
RLS222-3/4"5-1/4"15/16"6,765LBS4,133LBS6,400
RLS243"5-3/4"1-1/16"7,163LBS4,592LBS6,000
RLS263-1/4"6"1-1/16"8,490LBS5,408LBS5,800
RLS283-1/2"6-1/2"1-1/8"9,755LBS6,327LBS5,300
RLS303-3/4"6-3/4"1-1/8"11,020LBS7,092LBS5,000
RLS324"7-1/4"1-1/4"12,653LBS8,163LBS4,700
RLS344-1/4"7-1/2"1-1/4"12,653LBS8,316LBS4,500
RLS364-1/2"8"1-5/16"13,265LBS8,827LBS4,300
RLS384-3/4"8-1/4"1-5/16"14,082LBS9,694LBS4,100
RLS405"9"1-3/8"15,102LBS11,020LBS3,800
RLS44 5-1/2" 9-1/2" 1-3/88" 15,918LBS 11,837LBS 3,600
RLS48 6" 10-1/2" 1-9/16" 17,755LBS 13,980LBS 3,200
RLS52 6-1/2" 11" 1-9/16" 18,980LBS 15,306LBS 3,000

RMS-Series Inch Ball Bearings


Bearing Size Bore (d) Diameter (D) Width (B) Dynamic Load Rating (LBS) Static Load Rating (LBS) Limiting Speed (RPM)
RMS4 1/2" 1-5/8" 5/8" 1,163LBS 510LBS 23,000
RMS5 5/8" 1-13/16" 5/8" 1,378LBS 668LBS 22,000
RMS6 3/4" 2" 11/16" 1,622LBS 796LBS 19,000
RMS7 7/8" 2-1/4" 11/16" 1,898LBS 934LBS 18,000
RMS8 1" 2-1/2" 3/4" 2,296LBS 1,163LBS 16,000
RMS9 1-1/8" 2-13/16" 13/16" 2,867LBS 1,490LBS 13,000
RMS10 1-1/4" 3-1/8" 7/8" 3,388LBS 1,837LBS 12,000
RMS11 1-3/8" 3-1/2" 7/8" 4,184LBS 2,286LBS 11,000
RMS12 1-1/2" 3-3/4" 15/16" 4,184LBS 2,286LBS 11,000
RMS13 1-5/8" 4" 15/16" 5,378LBS 3,061LBS 9,500
RMS14 1-3/4" 4-1/4" 1-1/16" 6,306LBS 3,673LBS 8,500
RMS15 1-7/8" 4-1/2" 1-1/16" 6,306LBS 3,622LBS 6,800
RMS16 2" 4-1/2" 1-1/16" 6,306LBS 3,673LBS 6,700
RMS18 2-1/4" 5" 1-1/4" 8,357LBS 4,898LBS 7,000
RMS20 2-1/2" 5-1/2" 1-1/4" 9,418LBS 5,714LBS 6,700
RMS22 2-3/4" 6-1/4" 1-3/8" 10,612LBS 6,429LBS 6,300
RMS24 3" 7" 1-9/16" 12,653LBS 8,163LBS 5,300
RMS26 3-1/4" 7-1/2" 1-9/16" 14,592LBS 10,000LBS 5,000
RMS27 3-3/8" 7-1/2" 1-9/16" 14,592LBS 10,000LBS 5,000
RMS28 3-1/2" 8-1/8" 1-3/4" 14,592LBS 11,224LBS 4,500
RMS30 3-3/4" 8-1/4" 1-3/4" 15,612LBS 11,020LBS 4,400
RMS32 4" 1-3/4" 1-3/4" 17,755LBS 13,469LBS 4,300
RMS34 4-1/4" 1-3/4" 1-3/4" 17,755LBS 13,469LBS 4,000
RMS36 4-1/2" 2" 2" 20,714LBS 16,936LBS 3,800


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