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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)
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)
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)
Bearing Size	Bore (d)	Diameter (D)	Width (B)	Dynamic Load Rating (LBS)	Static Load Rating (LBS)	Limiting Speed (RPM)
RLS4	1/2"	1-5/16"	3/8"	703LBS	316LBS	32,000
RLS5	5/8"	1-9/16"	7/16"	976LBS	459LBS	24,000
RLS6	3/4"	1-7/8"	9/16"	1,296LBS	633LBS	20,000
RLS7	7/8"	2"	9/16"	1,541LBS	765LBS	19,000
RLS8	1"	2-1/4"	5/8"	1,816LBS	898LBS	17,000
RLS9	1-1/8"	2-1/2"	5/8"	1,990LBS	1,020LBS	15,000
RLS10	1-1/4"	2-3/4"	11/16"	2,296LBS	1,204LBS	14,000
RLS11	1-3/8"	3"	11/16"	2,602LBS	1,398LBS	13,000
RLS12	1-1/2"	3-1/4"	3/4"	3,133LBS	1,694LBS	11,000
RLS13	1-5/8"	3-1/2"	3/4"	3,388LBS	1,898LBS	11,000
RLS14	1-3/4"	3-3/4"	13/16"	3,582LBS	2,000LBS	10,000
RLS16	2"	4"	13/16"	4,449LBS	2,551LBS	10,000
RLS18	2-1/4"	4-1/2"	7/8"	4,847LBS	2,857LBS	8,000
RLS20	2-1/2"	5"	15/16"	6,306LBS	3,827LBS	7,000
RLS22	2-3/4"	5-1/4"	15/16"	6,765LBS	4,133LBS	6,400
RLS24	3"	5-3/4"	1-1/16"	7,163LBS	4,592LBS	6,000
RLS26	3-1/4"	6"	1-1/16"	8,490LBS	5,408LBS	5,800
RLS28	3-1/2"	6-1/2"	1-1/8"	9,755LBS	6,327LBS	5,300
RLS30	3-3/4"	6-3/4"	1-1/8"	11,020LBS	7,092LBS	5,000
RLS32	4"	7-1/4"	1-1/4"	12,653LBS	8,163LBS	4,700
RLS34	4-1/4"	7-1/2"	1-1/4"	12,653LBS	8,316LBS	4,500
RLS36	4-1/2"	8"	1-5/16"	13,265LBS	8,827LBS	4,300
RLS38	4-3/4"	8-1/4"	1-5/16"	14,082LBS	9,694LBS	4,100
RLS40	5"	9"	1-3/8"	15,102LBS	11,020LBS	3,800
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)
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