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KOYO 7948B MODELS

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7948B KOYO Single-row, matched pair angular contact ball bearings

Name: 7948B KOYO Single-row, matched pair angular contact ball bearings
Brand: KOYO
SKU: 7948B
Rating: 4.9 (5 reviews)

KOYO 7948B Bearing SPECIFICATIONS

Brand Name:KOYO
Model Number:
7948B
d:2.4375 in
radial dynamic load capacity::14900 lbf
D:5.1181 in
radial static load capacity::10800 lbf
outer ring width::1.1810 in
bearing material::AISI 52100 Steel
inner ring width::2.8750 in
seal type::Contact with Slinger

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AFEX Bearing Equipment Co., Ltd.China

AFEX Bearing Equipment Co., Ltd.2020-07-10 09:46:19
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7948B KOYO Single-row, matched pair angular contact ball bearings Details

d:2.4375 in
radial dynamic load capacity::14900 lbf
D:5.1181 in
radial static load capacity::10800 lbf
outer ring width::1.1810 in
bearing material::AISI 52100 Steel
inner ring width::2.8750 in
seal type::Contact with Slinger
bore type::Tapered 1:12
series::UK200+HA2000
locking device::Adapter Sleeve
manufacturer product page::Click here

KOYO 7948B Single-Row Deep Groove Ball Bearings Description

Tolerance shaft	e7
d	17 mm
Specific dynamic load factor K	25 N/mm²
Specific static load factor K0	45 N/mm²
Coefficient of friction µ min.	0.08
B	30 mm
Coefficient of friction µ max.	0.15
α	105 °
Tolerance housing	H7
D	25 mm
Permissible sliding velocity v min.	0 m/s
h	18 mm
a	3 mm
Mass bushing	0.065 kg
Permissible sliding velocity v max.	0.5 m/s

GET MORE 7948B KOYO Single-row, matched pair angular contact ball bearings
No.	Brand	R	C	d	a	D	B	T	r
M667948/11	ISO	-	68,262 mm	409,575 mm	17,8 mm	545,1 mm	87,312 mm	87,312 mm	-
M667948/M667910	KOYO	-	1330 kN	409,575 mm	105,1 mm	546,1 mm	87,313 mm	87,313 mm	-
M667948/M667911	Timken	6,3 mm	68,262 mm	409,575 mm	17,8 mm	546,1 mm	87,312 mm	87,312 mm	6,3 mm
7948	KOYO	-	193 kN	240 mm	99,8 mm	320 mm	38 mm	-	-
7948A	NSK	-	181 kN	240 mm	99,8 mm	320 mm	38 mm	-	-
7948A5TRSU	NSK	-	189 kN	240 mm	296,1 mm	320 mm	38 mm	-	-
7948B	NSK	-	161 kN	240 mm	136,5 mm	320 mm	38 mm	-	-
7948CTRSU	NSK	-	200 kN	240 mm	296,1 mm	320 mm	38 mm	-	-
7948DB	NTN	-	315 kN	240 mm	100 mm	320 mm	38 mm	-	-
7948DF	NTN	-	315 kN	240 mm	100 mm	320 mm	38 mm	-	-
7948DT	NTN	-	315 kN	240 mm	100 mm	320 mm	38 mm	-	-

NU34 KOYO Single-row cylindrical roller bearings	H1:95 mm; Oil seal:2 x TSN 313 U; Oil level, max.:40 mm; P90°:260 kN; J7:33 mm; Appropriate attachment bolt, rec. tightening torque:385 N·m; P150°:175 kN; db:75 mm; Ca:58 mm; Pa:140 kN; H2:32 mm; N4 max.:8 mm; A2:141 mm; Bearing (basic designation):1313; P0°:350 kN; N:28 mm; Q120&
NU334 KOYO Single-row cylindrical roller bearings	Basic Dynamic Radial Load Rating C:104000 N; d:70.000 mm; Grease Speed Rating n1:4500 rpm; Oil Speed Rating Open/Shielded n2:5300 rpm; B:35.00 mm; Sealed Speed Rating n3:3000 rpm; Oil Speed Rating n2:5300 rpm; Fillet Radius ra:2.00 mm; D:150.0000 mm; Grease Speed Rating Open/Shielded n1:4500 rpm; Ac
NU2244 KOYO Single-row cylindrical roller bearings	B1:425 mm; G:Tr 800x7; A:15 mm; Hydraulic nut:HMV 160 E; B2:441 mm; G2:G 1/4; d:750 mm; G1:60 mm; Mass withdrawal sleeve:238 kg; d1:710 mm;
NU224 KOYO Single-row cylindrical roller bearings	Appropriate attachment bolt size G:0.75 in; Pa:27.6 kN; Ca:69.799 mm; N1:22.225 mm; PG:1/4 NPT; A2:235.744 mm; H:222.25 mm; da:85 mm; J max.:333.375 mm; Cap bolt recommended tightening torque:515.2 N·m; P180°:42.7 kN; Mass pillow block:34.7 kg; Cap bolt, SAE grade:8; P90°:62.3 kN; J1:
NU338 KOYO Single-row cylindrical roller bearings	Housing:SSAFS 226; A2:203.2 mm; A1:130.175 mm; H2:60.325 mm; R2:36.513 mm; H:292.1 mm; Cap bolt recommended tightening torque:515.2 N·m; P180°:151 kN; Cap bolt, SAE grade:8; Initial grease fill:765.45 g; Labyrinth ring (db shaft position):LOR 136; RG:1/2 NPT; Ca:73.787 mm; H1:152.4 mm; R1
NU240R KOYO Single-row cylindrical roller bearings	d:35.000 mm; Grease Speed Rating n1:6000 rpm; Sealed Speed Rating n3:6000 rpm; Basic Static Radial Load Rating Co:27500 N; B:27.00 mm; Fillet Radius ra:1.00 mm; Basic Dynamic Radial Load Rating C:37700 N; Oil Speed Rating n2:8000 rpm; D:72.0000 mm; Accessories:One Shield & Snap-Ri;
NU104 KOYO Single-row cylindrical roller bearings	Design variant/feature:TQON/GW; Basic static load rating C0:22400 kN; Fatigue load limit Pu:1530 kN; Comparative radial load rating CF:1760 kN; T:365.125 mm; r1,2 min.:3.3 mm; Mass bearing:418 kg; D:812.8 mm; Calculation factor Y2:3; Thrust factor K:1.76; d1 ≈:698 mm; B:365.125 mm; Basic dynam
NU2338 KOYO Single-row cylindrical roller bearings	B1:208 mm; G2:M 6; d:300 mm; d1:280 mm; d3:380 mm; Mass adapter sleeve assembly:29 kg; B5:53 mm; G:Tr 300x4; G3:9 mm; A:3.9 mm; Hydraulic nut:HMV 60E; B:40 mm;
NU1044 KOYO Single-row cylindrical roller bearings	Oil Speed Rating n2:8800 rpm; B:66.00 mm; d:130.000 mm; Grease Speed Rating n1:5900 rpm; D:200.0000 mm; Fillet Radius ra:2.00 mm; Basic Static Radial Load Rating Co:300000 N; Fillet Radius rb:1.00 mm; Basic Dynamic Radial Load Rating C:225000 N;
NU3244 KOYO Single-row cylindrical roller bearings	D:1030 mm; Ba min.:26 mm; Reference speed:300 r/min; db min.:736 mm; B:236 mm; Mass bearing + sleeve:860 kg; Calculation factor Y0:3.2; ra max.:6 mm; Da max.:1002 mm; d2 ≈:816 mm; B2:90 mm; Calculation factor Y1:3.2; r1,2 min.:7.5 mm; da max.:816 mm; b:22.3 mm; d1:670 mm; d3:830 mm; Basic dyna
NU2240R KOYO Single-row cylindrical roller bearings	d1:55.563 mm; Hydraulic nut:HMV 13 E; G:M 65x2; d3:85 mm; Mass adapter sleeve assembly:0.76 kg; B:15 mm; d:65 mm; B1:65 mm;
NU3144 KOYO Single-row cylindrical roller bearings	Sleeve:S 20x3.7/16; Mass adapter sleeve assembly:2 kg; B1:72.619 mm; B:19.304 mm; Hydraulic nut:HMVC 20E; d3 max.:131.902 mm; d1:87.313 mm; d:100 mm; Threads per inch:12; B4:21.438 mm; G:99.517 mm;
NU3338 KOYO Single-row cylindrical roller bearings	Oil Speed Rating n2:2200 rpm; B:110.00 mm; d:120.000 mm; Basic Static Radial Load Rating Co:530000 N; Basic Dynamic Radial Load Rating C:390000 N; Grease Speed Rating n1:1600 rpm; D:260.0000 mm; Fillet Radius ra:2.50 mm; Fillet Radius rb:1.00 mm;
NU234 KOYO Single-row cylindrical roller bearings	Ball diameter Dw:7.938 mm; db min.:59.6 mm; Reference grease quantity Gref:2.49 cm³; D1:72.3 mm; Calculation factor (back-to-back, face-to-face) Y1:0.92; Calculation factor f2D:1.17; Calculation factor f2B:1.07; Static axial stiffness, preload class B:179 N/µm; Number of balls z:23; Prelo
N24 KOYO Single-row cylindrical roller bearings	da min.:531 mm; Reference speed:240 r/min; r1,2 min.:4 mm; H:112 mm; Da max.:433 mm; d:400 mm; Basic static load rating C0:10400 kN; Fatigue load limit Pu:735 kN; Basic dynamic load rating C:2120 kN; B:33.5 mm; Mass bearing:73 kg; D:540 mm; Limiting speed:500 r/min; Minimum axial load factor A:8.653
NU244 KOYO Single-row cylindrical roller bearings	Appropriate attachment bolt size G:0.875 in; ba:38.894 mm; Initial grease fill:365.71 g; P150°:32 kN; L:387.35 mm; R2:30.163 mm; End plug (suffix Y):EPR 10; Cap bolt, SAE grade:8; R1:65.088 mm; PG:1/4 NPT; J max.:333.375 mm; J min.:295.275 mm; Ca:69.799 mm; A2:173.037 mm; P120°:35.6 kN; P180

7948B KOYO Single-row, matched pair angular contact ball bearings Video

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KOYO 7948B INTERCHANGE

Single-Row Deep Groove Ball Bearings Part series 7948B is a potential replacement for these common bearing part numbers:

NSK7948B
SKF7948B
NTN7948B
FAG7948B
TIMKEN7948B
KOYO7948B
NACHI7948B
DODGE7948B

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